1. CO 2

2. WHITEBOARD PRACTICE MOLAR MASS Of COMPOUNDS

3. What is the volume of 6.0 X10 7 mol of H 2 gas?

4. 1.Calculate the number of moles of carbon in 6.25 mol of C 6 H 12 O 6.

5. 2. Calculate the molar mass of KC 2 H 3 O 2.

6. 3. What is the mass of 7.75 mol of KMnO 4 ?

7. 4. Calculate the number of moles of AgNO 3 in 63.0 g.

8. 5. What is the mass of 9.29 x 10 26 molecules of S 2 F 10 ?

9. 6. A sample of carbon dioxide has a mass of 77 g. How many carbon atoms does the sample contain? How many oxygen atoms does the sample contain?

10. 7. Calculate the molar mass of Ca(ClO 3 ) 2.

11. 8. What is the mass of 8.6 x 10 21 formula units of SrSO 4 ?

12. 9. Calculate the number of moles of oxygen in 8.5 mol of P 2 O 5.

13. 10. A sample of ethanol (C 2 H 5 OH) has a mass of 41.8 g. How many carbon atoms does the sample contain? How many hydrogen atoms does the sample contain?

14. 11. A sample of Al(NO 3 ) 3 has a mass of 118 g. How many oxygen atoms does the sample contain?

15. 12. Calculate the number of moles of Mg(OH) 2 in 4.60 x 10 -4 g.

16. 13. What is the mass of 5.0 x 10 4 mol of Al(NO 3 ) 3 ?

17. 14. How many moles are in 2.20 L of argon?

18. 15. How many moles are in 4.0 x 10 27 molecules of NH 3 ?

19. 16. How many grams are in 11 moles of Fe?