Science Help Online Worksheet 9-2a Changing Mass to Number of Moles

 
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Change the following masses to moles, by dividing the mass by the molar mass.

# of Moles = mass given/molar mass

1.   How many moles does 80.0 grams of H2O represent?

 

 

 

 

 

2.  How many moles does 45.0 grams of C6H12O6
     represent?
3.   How many moles does 22.0 grams of CO2 represent?

 

 

 

 

 

4.   How many moles does 56.0 grams of N2 represent?

Please forward all questions, comments and criticisms to Gregory L. Curran.
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Last Modified March 18, 2004