Name: ______________________________________________
Mole-Mass Relationships
Determine the molar mass (in g/mol) for the following substances:
 H2O

CO2

N2

C6H8O6 (vitamin C)

C6H12O6 (glucose)

C8H10N4O2 (caffeine)
Date: _________________________
Name: ______________________________________________
Date: _________________________
1. How many moles of carbon dioxide are there in 66.0 g of dry ice, which is solid CO2?
2. How many water molecules are there in 200.0 g of water?
3. What is the mass of 15.7 mol of Nitrogen gas (N2)?
4. Mrs. Anderson needs 3.1 mol of caffeine (C8H10N4O2) to get the proper jumpstart to hher Monday
morning. How many grams of caffeine does her coffee need?
5. A bar of snickers contains 28 g of sugar (C6H12O6). If Austin consumes 2 snickers bars in one day, how
many moles of sugar does that equal?
6. The optimal daily intake dose of Vitamin C is 400 mg per day. How many moles of Vitamin C, also
known as ascorbic acid, C6H8O6, does that equal to?