1. MOLE CONVERSION WORKSHEET
ANSWERS

2. __ __ Convert 36 g of H2O to moles. 1 mol H2O 36 g H2O 2 mol H2O =X =
18 g H2O

3. What is the mass of 0.071 mol CO2?
44 g CO2
_____
0.071 mol CO2 X =
3.1 g CO2
_____
1 mol CO2

4. 1.) How many moles are in 144 g of carbon?
1 mol C
___
144 g C X =
12.0 mol C
___
12 g C

5. 2.) What is the mass of 5.0 moles of He?
4 g He
____
5.0 mol He X =
20 g He
_____
1 mol He

6. 3.) How many moles of N2 are in 84.0 g of nitrogen gas?
1 mol N2
____
84.0 g N2
3.00 mol N2 X =
___
28 g N2

7. 4.) What is the mass of 12.0 moles of O2?
32 g O2
____
12.0 mol O2
384 g O2 X =
___
1 mol O2

8. 5.) How many moles of water molecules are in 117 g of water?
1 mol H2O
____
6.50 mol
H2O
117 g H2O X =
_____
18 g H2O

9. 6.) What is the mass of 7.25 moles of H2O2?
34 g H2O2
______
247
mol H2O2
7.25 mol H2O2 X =
______
1 mol H2O2

10. 7.) How many moles of NaCl are in 87.0 g of NaCl?
1 mol NaCl
_____
1.49 mol
NaCl
87.0 g NaCl X =
_____
58.45 g NaCl

11. 8.) What is the mass of 6.0 moles of NaOH?
40 g NaOH
______
240 g
NaOH
6.0 mol NaOH X =
_______
1 mol NaOH

12. 9.) How many moles of C12H22O11 are in 179 g of C12H22O11?
1 mol C12H22O11
_____
0.523 mol
C12H22O11
179 g C12H22O11 X =
_____
342 g C12H22O11

13. 10.) What is the mass of 3.5 moles of HC2H3O2?
60 g HC2H3O2
_______
210 g
HC2H3O2
3.5 mol HC2H3O2 X =
_______
1 mol HC2H3O2