Molar Mass
Balancing Equations
Mole Ratio
Gram to Mole
Liter to Mole
100

unit of measurement for mass

grams
100

Balance the following equation.

N2 + H2 ---> NH3

N2 + 3H2 ---> 2NH3

100

2C2H6 + 7O2 ---> 4CO2 + 6H2O 

What is the mole ratio between CO2 and H2O?

4 mol CO2 :6 mol H2O

100
There is 34.9 grams of CO2, how many moles does this equal? 
0.793 moles CO2
100

60.3 moles of CaCl2 is how many liters of it? 

1350.72 Liters

200

molar mass of O2

31.998 g 

200

Balance the following chemical equation. 

CH4 + O2 ---> CO2 + H2O

CH4 + 2O2 ---> CO2 + 2H2O

200

2C2H6 + 7O2 ---> 4CO2 + 6H2O 

What is the mole ratio between C2H6 and H2O?

2 mol C2H6 : 6 mol H2O

200

There are 67.8 grams of AgNO3, how many moles is this?  

0.399 moles AgNO3
200

99.8 liters of CaCl2 is how many moles of it?

4.46 moles

300

molar mass of CaCl2

110.978 g 

300

Balance the following equation.

Fe2O3 + H2SO4 ---> Fe2(SO4)3 + H2O

Fe2O3 + 3H2SO4 ---> Fe2(SO4)3 + 3H2O

300

Fe2O3 + 3H2SO4 ---> Fe2(SO4)3 + 3H2O

What is the mole ratio between Fe2(SO4)3 and H2SO4?

1 mol Fe2(SO4)3 : 3 mol H2SO4

300

222.2 grams of H3PO4 is how many moles? 

2.27 moles H3PO4

300

77.45 moles of H3PO4 is how many liters of it? 

1734.88 liters

400

molar mass of C2H6

30.07 g

400

Balance the following equation. 

C2H6 + O2 ---> CO2 + H2O

2C2H6 + 7O2 ---> 4CO2 + 6H2O

400

Fe2O3 + 3H2SO4 ---> Fe2(SO4)3 + 3H2O

What is the mole ratio between Fe2(SO4)3 and Fe2O3?

1 mol Fe2(SO4)3 : 1 mol Fe2O3

400

2.66 moles of Cu(NO3)2 is how many grams of Cu(NO3)2? 

472.29 g Cu(NO3)2

400

.8 moles of Na is how many liters of it? 

17.92 liters

500

molar mass of Al(OH)3

78.002 g 

500

Balance the following equation. 

CO2 + H2O ---> O2 + C6H12O6

6CO2 + 6 H2O ---> 6O2 + C6H12O6

500

Cu + AgNO3 ---> Cu(NO3)2 + Ag

What is the mole ratio between Cu and Ag? 

1 mol Cu : 2 mol Ag

500

10.8 moles of (NH4)2SO4 is how many grams?

1427.05 grams (NH4)2SO4

500

1002.983 liters of NaHCO3 is how many moles of it? 

44.78 moles

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