CO 2
WHITEBOARD PRACTICE MOLAR MASS Of COMPOUNDS
What is the volume of 6.0 X10 7 mol of H 2 gas?
1.Calculate the number of moles of carbon in 6.25 mol of C 6 H 12 O 6.
2. Calculate the molar mass of KC 2 H 3 O 2.
3. What is the mass of 7.75 mol of KMnO 4 ?
4. Calculate the number of moles of AgNO 3 in 63.0 g.
5. What is the mass of 9.29 x molecules of S 2 F 10 ?
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?
7. Calculate the molar mass of Ca(ClO 3 ) 2.
8. What is the mass of 8.6 x formula units of SrSO 4 ?
9. Calculate the number of moles of oxygen in 8.5 mol of P 2 O 5.
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?
11. A sample of Al(NO 3 ) 3 has a mass of 118 g. How many oxygen atoms does the sample contain?
12. Calculate the number of moles of Mg(OH) 2 in 4.60 x g.
13. What is the mass of 5.0 x 10 4 mol of Al(NO 3 ) 3 ?
14. How many moles are in 2.20 L of argon?
15. How many moles are in 4.0 x molecules of NH 3 ?
16. How many grams are in 11 moles of Fe?