1. How many moles does 80. 0 gms of H2O represent? 2. How many moles does 45. 0 gms of C6H12O6 represent? 3. How many moles does 22. 0 gms of CO2 represent? 4. How many moles does 56. 0 gms of N2 represent? 5. What is the mass of 2. 0 moles of LiOH? 6. What is the mass of 5. 0 moles of Ba ( CN ) 2? 7. What is the mass of 3. 5 moles of H2O? 8. What is the mass of 0. 75 moles of CuSO4? 9. How many atoms does 2. 0 moles of He stand for? 10. How many Na ions are in 3. 0 moles of NaCl?

11. How many molecules are in 0. 25 moles of CH4? 12. How many entire atoms are in 8. 0 gram molecule of H2O? 13. How many moles of H2O does 6. 02 ten 1023 molecules stand for? 14. Convert 3. 01 ten 1023 molecules of C2H6 to moles. 15. How many moles of C6H12O6 does 1. 2 ten 1024 molecules stand for? 16. How many moles of CaCl2 does 2. 41 ten 1024 formula units represent? 17. What would be the mass of 1. 20 ten 1024 molecules of H20?

18. What would be the mass of 2. 41 ten 1024 formula units of Ba ( OH ) 2? 19. How much mass does 1. 51 ten 1022 atoms of Ne represent? 20. How much mass does 7. 53 ten 1022 molecules of CH4 represent? 21. How many molecules does 36. 0 gms of H20 represent? 22. How many molecules does 11. 0 gms of CO2 represent? 23. How many atoms does 3. 0 gms of C represent? 24. How many formula units does 200. 0 gms of CaCO3 represent?

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