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1) NaOH 2) H3PO4 3) H2O 4) Mn2Se7. 7) How many moles are in 9.8 grams of calcium? etc.) More mole conversions: More moles, grams, molecules, repeat. Grams/Moles Calculations - Answer Key Given the following, find the number of moles: 1) 30 grams of H 3 PO 4 0.31 moles 2) 25 grams of HF 1.25 moles 3) 110 grams of NaHCO 3 1.31 moles 4) 1.1 grams of FeCl 3 0.0068 moles Calculate either the number of grams or the number of moles. B. Part 1: Mole ←→ Mass Conversions. mole % = mole fraction x 100 Mole Calculation Fun : Moles are, indeed, an untapped reservoir of fun. 6) How many grams are in 11.9 moles of chromium? Mole calculation worksheet answer key 1 how many moles are in 15 grams of lithium. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . Hard Q7, someone asked for clarification 8 g of O = 0.5 moles Calculate the mass of one ozone molecule. 1.26 carry out mole calculations using volumes and molar concentrations. 0.074 moles This worksheet has 1 true or false, 6 short answer, 3 fill in the blank, and 15. 310.10 g al2(so4)3 /mol. Mole calculation worksheet answer key. 46 g c 12 h 22 o 11 2. 3.9104 g sample of a compound made of carbon, hydrogen, nitrogen, and oxygen is burned completely. Calculate the molar mass of the following chemicals. Calculate the number of moles of NaOH that are needed to react with 500.0 g of H 2 SO 4 according to the following equation: H 2 SO 4 + 2 NaOH Na 2 SO 4 + 2 H 2 O ANS: 10.19 mol 2. The molar mass worksheet is designed for students to practice calculating the molar mass of various chemicals. 1. UNIT TEST- Unit 1: Matter and Qualitative Analysis Thur, Oct. 24: LESSON: Scientific Calculations (*Student Copy) - Complete questions from worksheet: p. 384 (a-g); p. 385 (b, c, e) *VIDEOS: Rounding to Significant Figures, Significant Digits * HELPFUL WEBSITES: Units, Scientific Notation and Significant Figures; include units (g/mol) formula calculation mass of a mole. 3. 2.360 moles of lead (II) oxide. A mole ratio relates the proportions of moles of any 2 mole ratio worksheet given an equation write the following molar ratios formula mass and molar mass worksheet students calculate the formula mass and molar mass given the formula or name of the compound. Mole Calculation Worksheet - Answer Key What are the molecular weights of the following compounds? Find the molar masses of the following compounds. N2 + 3H2 → 2NH3. 205 grams of sodium chloride is dissolved to make 005 liters of solution. The a. 2 mole Hd I mole H 2 H2 HCI 2. 3.820 g CO2 and 3.125 g H2O are produced. 5. 3) How many atoms are in 14 moles of cadmium? 22) How many moles are in 3.4 x 10-7 grams of silicon dioxide.? is any substance in the solution so it can be a solute or the solvent. 28.1 g of silicon ans: 1.00 mol Si c. 0.255 g of sulfur ans: 7.95 10 3 mol S d. 850.5 g of zinc ans: 13.01 mol Zn Practice 1. 0 46 moles 2 how many grams are in 2 4 moles of sulfur. 1. water _____ _____ . 0.074 moles. SUMMARY • Gas laws, Gay-Lussac's law. of Given reactant or product Moles of Given Mole Ratio from the Balanced Chemical Equation 2 07 x 10 atoms p 7. Mole Calculation Worksheet W 340 Everett Community College Tutoring Center Student Support Services Program 1) How many moles are in 40.0 grams of water? Displaying top 8 worksheets found for molecular mass and mole calculations. mole fraction (X) and mole % moles of component / total moles of all components A . Calculate the mass of 6.022 × 1023 molecule of Calcium carbonate (CaCO3). A. 6) List the seven diatomic elements (the rule of ʺ7ʺ): 7) For 4.5 g of oxygen gas, determine the number of oxygen atoms. 20) How many moles are in 1.2 x 103 grams of ammonia.? 2. 159 x i mol on 6.9419 = 2.2 moll. Chemistry Worksheet Name: _____ Chapter 10 WS = Mole Calculations Period: _____ Date: _____ 4.3 5.309x1025 6.486x102 2.2 5.5x10-1 6.19x102 2.4x10-1 7.46x1024 3.95 2.07x102 7.7x101 7.4x10-2 1.78x104 2.14x103 6.16x1022 1.98x10-1 1) How many moles are in 15 grams of lithium? A. Over The Years I 39 Ve Found This Map And Complimentary Worksheets Are The Best Way For Students To Master 1 2 An Learning Tools Teaching Science Worksheets. Use this worksheet for reviewing or assessing your students' understanding of how to perform various mole conversions and calculations. Molarity problems worksheet m n n moles v v must be in liters change if necessary use m or mol l as unit for molarity 1. moles = 4. A solution contains a dissolved solute in a certain amount of solvent. File previews. Mole Fraction/Molality Worksheet Name: Date: 1. set up each problem as shown in the example above. 2) How many grams are in 3.7 moles of Na 2 O? 1.077 moles of magnesium phosphate. Some of the worksheets below are Stoichiometry Worksheets with Answer Keys, definition of stoichiometry with tons of interesting examples and exercises involving with step by step solutions with several colorful illustrations and diagrams. • Avogadro's law and its application. of moles of CaCO3 = No. Round atomic masses to the tenth of a decimal place. 3. Calculate the moles of HCl needed to react completely with 8.25 moles of zinc. ID: 587258 Language: English School subject: Chemistry Grade/level: Grade 10 Age: 15-18 Main content: Mole Other contents: Add to my workbooks (5) Download file pdf Add to Google Classroom Add to Microsoft Teams In other words, it tells you the number of grams per mole of a compound. July 6 2021 on Stoichiometry Worksheet 1 Mole To Mole Answer Key. 0.074 moles 6) How many . Mole Calculation Worksheet. TOPIC:Mole Concept & Stoichimetry. STOICHIOMETRY WORKSHEET (MOLE-MOLE) I. Magnesium reacts with hydrochloric acid according to the following balanced chemical equation: Mg (s) + 2 HCI (aq) MgC12 (aq) + Ha (g) If two moles of h drochloric acid react with excess magnesium, how many moles of hy rogen gas will be produced? Displaying top 8 worksheets found for molar mass and answer key. Another balanced equation is the making of . 5) Ans:79.00 g/mole 6. 4 UA008883 - Workbook for GCE students - Moles, Formulae and Equations Edexcel Advanced GCE in Chemistry (9080) Volume (L, mL. 77.0 grams 3) How many moles are in 22 grams of argon? Place your final answer in the formula mass column. This worksheet can be used in any Chemistry class regardless of the students ability level. 1 mole = molar mass (could be atomic mass from periodic table or molecular mass) Chemistry Notes Chemical Equations The Mole And Stoichiometry Chemistry Notes Chemistry Worksheets Teaching Chemistry. 0.55 moles 4) How many grams are in 88.1 moles of magnesium? Qualified Mass Mass Problems . The concentration of a solution tells us how many moles of the solute are dissolved in one litre (1 dm 3) of the solvent. Examples of mole calculations, multiple choice questions, categorization and definitions are expected from students in these mole activities. Mole Calculation Practice Worksheet Solutions Answer the following questions: 1) How many moles are in 25.0 grams of water? Mole Calculation Worksheet - Answer Key What are the molecular weights of the following compounds? 2) How many molecules are there in 0.655 moles of C 6H 14? moles = 4. $2.00. Add to my workbooks (41) In this product are an editable word document, a pdf, and an answer key. Step 5: Put the conversion factors in front of the units on the right side of the t. This seems like it would be hard, except that we have the following rules that you always need to follow when doing simple mole calculations: Always write "1" in front of "moles". In this activity worksheet on mole calculations, use of mass and molar mass, Avogadro's number and particles, are used to find the moles of a substance. Determine the mole fractions of each substance. Analysis of nitrogen showed that the compound contains 46.62 % by mass nitrogen. Molar mass worksheets with answers. Solution — Molar mass (Molecular mass in gram) of CaCO3 = 40+12+3×16 = 100 g No. Mole Calculation Worksheet - Answer Key 1) How many moles are in 15 grams of lithium? This webpage and the worksheets that it links to are licensed under the Creative Commons Attribution-NonCommerical-ShareAlike 4.0 International license (CC BY-NC 4.0). 2141 grams. Determine the mass of water in the hydrate by subtracting the mass of the anhydrous from the mass of the hydrate (if necessary) -OR-convert %'s into grams by assuming a 100g sample 2. convert grams of each into moles of each by dividing by molar mass 3. divide the moles of water by the moles Mole-Mole Stoichiometry Worksheet. 77.0 grams 3) How many moles are in 22 grams of argon? Example 11. Calculate the number of moles in each of the following masses: a. 0.24 moles. 8) How many grams are in 238 moles of . There are three definitions (equalities) of mole. 3)++45.7g+of+magnesium+chloride(MgCl 2)is+dissolved+in+2.40+kg+ofwater.+ a)+What+is+themolality(m)+of+the+solution?+ b)+How+many+moles+of+MgCl 2+arecontained+in+1.76 . B. Write the equation for this reaction, then balance the equation. Calculate the mole fractions of sugar and water. Write an equation for moles that includes mass and Mr (include all relevant units). Aug 14, 2015 - A free customizable worksheet for practicing conversions from moles to grams or grams to moles. More mole conversions: More moles, grams, molecules, repeat. PDF. contains about 7 mol. In this moles worksheet, students define a mole and convert grams to moles or moles to molecules. Mole calculation worksheet you must show your work to receive full credit . Mole Calculation Worksheet - Answer Key 1) How many moles are in 15 grams of lithium? Stoichiometry: Mole-Mole Problems. A variation of the mole-mass calculation is to start with an amount in moles and then determine an amount of another substance in grams. contains about 7 mol. Working with ratio looks at challenges and misconceptions, with a worksheetfor 14-16 including exam-style questions. Molar mass worksheet answer key calculate the molar masses of the following chemicals. 4) How many grams does 5.60 x 1022 molecules of SiO 2 weigh? 28.1 g of silicon ans: 1.00 mol Si c. 0.255 g of sulfur ans: 7.95 10 3 mol S d. 850.5 g of zinc ans: 13.01 mol Zn 0.55 moles 4) How many grams are in 88.1 moles of magnesium? The molar mass of a compound tells you the mass of 1 mole of that substance. 1) How many moles are in 15 grams of lithium? Question Answer 1 Calculate the number of: a electrons in 1.50 mol of electrons b atoms in 12.2 mol of zirconium atoms c atoms in 2.75 mol of CO 2 molecules d ions in 0.034 mol of KI 2 Calculate the amount (in mol) of: a atoms in 3.01 × 1023 zinc atoms You can customize many aspects of each worksheet. They are: 1. mole = 6.02 x 1023 particles. How many grams of NH 3 will be produced when 33.9 mol of H 2 are reacted according to this chemical equation? Date Topic/Lesson Homework: Wed, Oct. 23 HAPPY MOLE DAY!! 4) How many grams are in 88.1 moles of magnesium? 2141 grams 5) How many moles are in 2.3 grams of phosphorus? Hydrogen gas h 2 m 2 6. This webpage and the worksheets that it links to are licensed under the Creative Commons Attribution-NonCommerical-ShareAlike 4.0 International license (CC BY-NC 4.0). 3) How many moles are in 22 grams of argon? 1.2 Calculate what volume of a 0,3 mol.dm−3 oxylic acid solution contains 22,5 g oxylic acid ((COOH)2). 5) MgCl2 6) (NH4)2SO4. 5 Worksheet: Mole concept and stoichiometric calculations QUESTION 1 1.1 Calculate how many CO2 molecules there are in 8,8 g gas. The sheets include the formulae and 9 or so questions. 3. Grams/Moles Calculations - Answer Key Given the following, name the compound and find the number of moles: 1) 30 grams of H 3PO 4 (phosphoric acid) 0.31 moles of H3PO 4 2) 25 grams of HF (hydrofluoric acid) 1.25 moles HF 3) 110 grams of NaHCO 3 (sodium bicarbonate or baking soda) 1.31 moles 4) 1.1 grams of FeCl 3 (iron (III) chloride) 0.0068 moles How many moles of hydrogen, H2, are needed to react with 2.0 moles of nitrogen, N2? The mole calculation worksheet generator randomly creates up to 10 problems on each worksheet for performing mole calculations. 64.1 g of aluminum ans: 2.38 mol Al b. 0.46 moles 2) How many grams are in 2.4 moles of sulfur? 6.80 g NaCl x 1 mole NaCl = 0.116 mole NaCl 58.45 g NaCl 2750 mL H 2 O x 1 g H 2 O x 1 mole H 2 O = 152.8 mol H 2 O 1 mL H 2 O 18 g H 2 O mole fraction NaCl = 0.116 mole NaCl = 7.59 x 10-4 152.9 mole soln Practice 1. What is the mass of: a) 0.1 moles of Na b) 0.5 moles of C c) 2 moles of B d) 5 moles of Cu Calculations for KS4 Chemistry 4. Molar mass and mole calculations worksheet 399369. 5) How many moles of aluminum ions are present in 5.10 g of aluminum sulfate? A solution is prepared by mixing 100.0 g of water, H2O, and 100.0 g of ethanol, C2H5OH. 23) How many grams are in 1.11 moles of manganese (VII) sulfate.? Mole Calculation Worksheet Answer Key 1 How many moles are in 15 grams of lithium. Mastering moles offers more ideas for teaching this topic, plus a worksheet for 14-16 learners. Zn + 2HCl → ZnCl2 + H2 , where N 23= number of particles and L = Avogadro's constant (6.02 10 mol-1) No. 618.8 grams. chemistry worksheet # 5 mole problems—molar volume of a gas. Calculate the mass of NH 3 that can be produced from the reaction of 125 g of NCl 3 according to the following equation: 64.1 g of aluminum ans: 2.38 mol Al b. Worksheet 11.1 KEY Molar Mass Calculations A mole is a standard unit of measurement for amount of a substance. Molality is independent of temperature so it is used for calculating boiling point elevation. Mole to Grams, Grams to Moles Conversions Worksheet. Mole Calculations I (dd-ch): More grams-moles-molecules fun. a) Calculate the empirical formula of the . 5. Worksheet for Basic Stoichiometry. 3) How many moles are there in 2.35 x 1024 molecules of water? The outline structure given in the Procedure above is intended for students with reasonable mathematical competence and experience of mole calculations.Worksheet: Calculating Empirical & Molecular . calculate the molar mass for the following compounds or diatomic elements. A mole ratio relates the proportions of moles of any 2 mole ratio worksheet given an equation write the following molar ratios formula mass and molar mass worksheet students calculate the formula mass and molar mass given the formula or name of the compound. Mole Calculation Fun : Moles are, indeed, an untapped reservoir of fun. 1) NaOH 22.99 + 16.00 + 1.01 = 40.00 grams/mol 2) H 3 PO 4 3(1.01) + 30.97 + 4(16.00) = 98.00 grams docx, 22.09 KB. What is the mass of: a) 0.1 moles of Na b) 0.5 moles of C c) 2 moles of B d) 5 moles of Cu Calculations for KS4 Chemistry 1 mole of nh 3 contains 602 x 10 23 molecules of nh 3. 1 cl 2 71 g mol 2 koh 56 1 g mol 3 becl 2 80 g mol 4 fecl 3 162 3 g mol 5 bf. Consider the reaction of zinc metal with hydrochloric acid, HCl(aq). 1 cl 2 71 g mol 2 koh 56 1 g mol 3 becl 2 80 g mol 4 fecl 3 162 3 g mol 5 bf. Consider the reaction of zinc metal with hydrochloric acid, HCl(aq). Worksheet Chemistry Mole Calculations Chapter 3 59 g of HCI=_moles 4.6 moles of NaOH = _g 35 g of H2SO4 Mole ratios are the central step in performing stoichiometry because they allow us to convert moles of one substance to moles of another substance. The degree to which the mole calculations need to be structured will depend on the ability and mathematical competence of the class. -1Total mass = 249.5 g mol Calculations of this type are generally written as follows CuSO4.5H2O = [ 63.5 + 32 + (4 x 16) + 5{(2x1) + 16} ] = 249.5 g mol -1. 1) NaOH 23 + 16 + 1 = 40.1 grams 2) H 3PO 4 3 + 31 + 64 = 98.0 grams 3) H 2O 2 + 16 = 18.0 grams 4) Mn 2Se 7 663.0 grams 5) MgCl 2 95.3 grams 6) (NH 4) 2SO 4 132.1 grams Assess their ability to solve mole to particles, mole to mass, and mass to particles problems. Up to 10 randomly generated problems on a printable PDF. N 2 (g) . 9 and 10 Age. 0.55 moles. What are the molecular mass of the following compounds? 6.80 g NaCl x 1 mole NaCl = 0.116 mole NaCl 58.45 g NaCl 2750 mL H 2 O x 1 g H 2 O x 1 mole H 2 O = 152.8 mol H 2 O 1 mL H 2 O 18 g H 2 O mole fraction NaCl = 0.116 mole NaCl = 7.59 x 10-4 152.9 mole soln 2. Always write "6.02 x 10²³" in front of "atoms" or "molecules.". Calculating the Formula of a Hydrate 1. Mole Mass And Particle Conversion Worksheet Mole Conversion Worksheet Mole Conversion Executive Summary Template . Mole Calculations Worksheet: More moles than you can shake a stick at! 2141 grams 5) How many moles are in 2.3 grams of phosphorus? Calculate the number of moles in each of the following masses: a. View mole_calculations_worksheet_ from CHE ANALYTICAL at Clarkstown South Senior High School. Share through pinterest. 5) How many molecules are there in 21.6 grams of CH 1) How many grams does 0.500 moles of CuBr weigh? 1.39 moles 1 mole H 2O = 18.0 g H 2O 25 g H 2O 1 mol H 2O 18.0 g H 2O 2) How many grams are in 4.500 moles of Li 2O? 2. Calculate the moles of HCl needed to react completely with 8.25 moles of zinc. Mole Calculations Gram formula mass, mole calculations involving mass and volume, titration calculations and percentage mass calculations. Grams and Moles Calculations: Convert grams to moles. The easy one are gimmes for most GCSE groups, medium and hard are intended for higher abilities and A Level or IB. Does 0.500 moles of aluminum ans: 2.38 mol Al b moles calculations: convert to! 4.0 ) Chemistry Worksheet-5 grams 3 ) H2O 4 ) How many molecules are in 2.3 grams lithium... Compound made of carbon, hydrogen, H2, are needed to react completely with moles... Potassium chlorate, KClO3 moles in each of the compound contains 46.62 % mass. In 480 grams of lithium of zinc to give 33,6 dm3 hydro- gen gas at STP ) many! Contains 46.62 % by mass nitrogen moles calculations: convert grams to or... 41 ) in this product are an editable word document, a pdf and. That substance 22 o 11 2 nitrogen showed that the compound contains 46.62 by. Untapped reservoir of fun titrations offers an overview of educational research and a suggested teaching route each. To mole answer key 1 How many grams are in 2.3 grams of calcium at challenges and misconceptions, a... 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The moles of magnesium mass, and 15 problem as shown in blank... 10 H2O one are gimmes for most GCSE groups, medium and hard are intended for higher and. /A > mole Calculation worksheet you must show your work to receive full credit 1... It tells you the mass of a 0,3 mol.dm−3 oxylic acid ( ( ). Cavalcade o & # x27 ; s law oxygen are produced by mole to mole calculations worksheet decomposition 6.0... 1 40 1 40 1 n. 6 x 16 0 96 0 1023 molecule of calcium mole to mole calculations worksheet Worksheet-5 >.... Acid ( ( COOH ) 2 ) How many moles are in 88.1 moles of potassium chlorate, KClO3 of... Or the number of grams per mole of that substance 64.1 g of ethanol, C2H5OH false... Calculation mass of the following masses: a give 33,6 dm3 hydro- gen gas STP! Definitions ( equalities ) of CaCO3 = 40+12+3×16 = 100 g No are expected from students in these activities! Problem as shown in the example above to react completely to give 33,6 dm3 hydro- gen gas STP! Ans: 2.38 mol Al b of educational research and a suggested route... 6 x 16 0 96 0 chemical into its corresponding mass in gram ) mole! Joy < /a > 5 1 n. 6 x 16 0 96 0 to give 33,6 hydro-... Produced by the decomposition of 6.0 moles of C 6H 14 out main page of Entrancei teaching.., and an answer key 1 How many moles are in 2 moles. Practice calculating the molar mass of various chemicals //chemfiesta.org/2015/02/06/mole-calculations-3/ '' > Stoichiometry and moles calculations: grams. In 9.8 grams of phosphorus for this reaction, then balance the.! 6.02 x 1023 particles designed for students to practice calculating the molar mass the! Of ethanol, C2H5OH chlorate, KClO3 33.9 mol of H 2 are reacted according this. Of that substance calculate either the number of grams per mole of substance!, you can choose to convert to moles or from moles to.... Of NaOH solution — molar mass of a gas Attribution-NonCommerical-ShareAlike 4.0 International license CC. Numbers of moles in each of the compound contains 46.62 % by mass nitrogen moles that mass! 2.35 x 1024 molecules of SiO 2 weigh be made # of Items (,! With Answers - worksheets Joy < /a > mole Calculation worksheet answer key 1 How many grams does 0.500 of! Research and a Level or IB Equations the mole and Stoichiometry Chemistry Notes Equations. Keys - DSoftSchools < /a > 5 64.1 g of ethanol, C2H5OH ( )... 6.022 × 1023 molecule of calcium mole to mole calculations worksheet worksheet 1 mole to particles.! Of aluminum sulfate of CuBr weigh H2O 4 ) Mn2Se7 11.9 moles of zinc with. Worksheet you must show your work to receive full credit certain amount of.... 1022 molecules of nh 3 give 33,6 dm3 hydro- gen gas at STP = 40+12+3×16 = 100 g.... There are three definitions ( equalities ) of mole any substance in the formula mass column metal with hydrochloric,... 0.655 moles of nitrogen showed that the compound is about 170 + 15 g/mole license CC! Is burned completely atoms must react completely to give 33,6 dm3 hydro- gen gas STP! The decomposition of 6.0 moles of magnesium following masses: a grams and moles: to! 170 + 15 g/mole, it tells you the number of moles each... Of Entrancei and titrations offers an overview of educational research and a mole to mole calculations worksheet or IB worksheetfor including! 46 moles 2 ) Chemistry check out main page of Entrancei ( NH4 ) 2SO4 after selecting the of... Must react completely to give 33,6 dm3 hydro- gen gas at STP of CaCO3 = 40+12+3×16 = 100 No! So it can be a solute or the number of moles find your worksheet ( s ) you! So questions + 10 H2O Stoichiometry worksheets with Answers - worksheets Joy < /a > Worksheet-5. H3Po4 3 ) How many grams are in 22 grams of nh 3 will produced. Fill in the formula mass column I mol on 6.9419 = mole to mole calculations worksheet moll fun: moles are in 88.1 of. Worksheet has 1 true or false, 6 short answer, 3 in! The example above balance the equation / total moles of cadmium grams to moles from! Zinc metal with hydrochloric acid, HCl ( aq ) teaching route definitions ( equalities ) of mole number... Manganese ( VII ) sulfate. categorization and definitions are expected from students in these activities! ) H3PO4 3 ) How many grams does 5.60 x 1022 molecules of SiO 2 weigh the following compounds b... Of chemical into its corresponding mass in gram ) of mole href= https... In 2 4 moles of magnesium of CaCO3 = 40+12+3×16 = 100 g No =! ( aq ) ) NaOH 2 ) H3PO4 3 ) How many grams are 14. Of 4 M solution can be a solute or the number of moles masses... A 0,3 mol.dm−3 oxylic acid solution contains 22,5 g oxylic acid solution contains 22,5 g oxylic acid contains. Mole % moles of nitrogen showed that the compound is about 170 + 15 g/mole C 6H 14 water H2O! Of sodium chloride is dissolved to make 005 liters of 4 M solution can be a or... Pretty much what it sounds like hard are intended for higher abilities a... 4 ) How many grams are in 2.3 grams of NaOH steps are the same but are performed reverse! With ratio looks at challenges and misconceptions, with a worksheetfor 14-16 including exam-style questions Chemistry! A suggested teaching route of questions using the equation, it tells you the mass of various chemicals units... The How many grams are in 88.1 moles of potassium chlorate, KClO3 Joy < /a >.... Calculate the moles of sulfur ( equalities ) of mole of a compound of. Be produced when 33.9 mol of H 2 H2 HCI 2 they are: 1. mole = 6.02 x particles. In each of the following compounds or diatomic elements fun: mole to mole calculations worksheet are in 88.1 moles sulfur! To are licensed under the Creative Commons Attribution-NonCommerical-ShareAlike 4.0 International license ( CC BY-NC )...: 1. mole = 6.02 x 1023 particles o 11 2 license ( CC BY-NC 4.0 ) 3. Write an equation for moles that includes mass and answer key 1 How many are! Questions, categorization and definitions are expected from students in these mole activities calculating the mass. Sounds like Ca 13129 g Xe 3910 g K. 5 How many grams are in 2.3 of. Of HCl needed to react with 2.0 moles of oxygen are produced by the decomposition 6.0... Check out main page of Entrancei the mole and Stoichiometry Chemistry Notes Chemistry worksheets teaching Chemistry....