Mole Worksheet 2 Answer Key Use a separate piece of paper show all work and circle your final answer Attach this sheet to your work Set A One Step Problems Convert to moles 12 04 x 1023 atoms He 3 01 x 1023 atoms Cu 3 612 x 1023 atoms Fe 100 atoms Ar 1 atom S 24 grams C 59 3 grams Sn 98 9 grams Na 5000 grams K 0 005 grams Ne Convert to mass in grams
A 2 48 g of HBr b 4 77 g of CS 2 c 1 89 g of NaOH d 1 46 g of SrC 2 O 4 16 Decide whether each statement is true or false and explain your reasoning There are more molecules in 0 5 mol of Cl 2 than in 0 5 mol of H 2 One mole of H 2 has 6 022 10 23 hydrogen atoms The molecular mass of H 2 O is 18 0 amu 1 N2 2O2 N2O4 a If 15 0g of N2O4 was produced how many moles of O2 were required 0 326 mol O2 b If 4 0x10 3 moles of oxygen reacted how many grams of N2 were needed 5 6x10 2 g N2 2 K3PO4 Al NO3 3 3KNO3 AlPO4 a What is the mass of potassium nitrate that is produced when 2 04 moles of potassium phosphate react 619g KNO3 b
Mole Worksheet 2 Answer Key
Mole Worksheet 2 Answer Key
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Gas Stoichiometry Worksheet Answer Key
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1 Mole Calculation Worksheet
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Answer The only new concept we will introduce in this unit is the idea of a mole A mole is a quantity of matter that we use for conversion purposes We can convert from grams to moles liters to moles for gases and atoms or molecules to moles Moles Molecules and Grams Worksheet How many molecules are there in 24 grams of FeF3 How many molecules are there in 450 grams of Na2S04 24 How many grams are there in 2 3 x 10 atoms of silver 23 How many grams are there in 7 4 x 10 molecules of AgN03 23 How many grams are there in 7 5 x 10 molecules of H2S04
Solution a 3 8 x 10 51 grams b 4 11 x 10 45 grams c 7 31 x 10 25 grams 4 7 1 Mole Practice with Guidence Exercises is shared under a not declared license and was authored remixed and or curated by LibreTexts These are homework exercises to accompany the Textmap created for Chemistry A Molecular Approach by Nivaldo Tro For CO 2 m w 44 01 u mole CO 2 44 01 g CO 2 6 022 x 10 23 CO 2 molecules Because each CO 2 molecule is composed of one carbon atom and two oxygen atoms we could say that a mole of CO 2 contains one mole of carbon atoms and two moles of oxygen atoms In general it is useful to think of a mole as just an Avogadro s number of things
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Mole to Mole Problems KEY Worksheet Mole Mole Problems Name Answer each of the following questions using the equation provided BE SURE TO BALANCE EACH EQUATION BEFORE SOLVING ANY PROBLEMS SHOW ALL WORK NO 02 N02 1 How many moles of N will be produced if 3 6moles NO react 2 1 Mass of substance Convert using the molar mass of the substance 2 Amount of substance in moles Use Avogadro s number for conversion 3 Number of atoms molecules or formula units of substance PROBLEMS INVOLVING ATOMS AND ELEMENTS Sample Problem 1 A chemist has a jar containing 388 2 g of iron filings
Mole Mass Conversion Worksheet Gizmos Covalent Bonds 50Common Interviewv 1 bcvvvvvvvvvvvvvv bv Answer Key UNIT 2 TEST Study Guide Chemistry 1020Sections 83848586 Separationofa Mixtureof Solids 294676 Related documents Chemistry 1020Sections 83848586 Laboratory Techniquesand Measurements 294676 Equilibrium Analyze and interpret data to explain the change in concentration of products and reactants and the stable state achieved under reversible conditions NewPathWorksheets offers chemistry study guides worksheets answer keys for high schoolers to understand the topic of the Mole Convenient printable Mole guides
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