1. How many moles are contained in 103.4g of sulfuric acid? a) 2.9 * 10^22 molecules of sulfuric acid
b) 5.18 * 10^24 molecules of sulfuric acid
c)12.1 * 10^23 molecules of sulfuric acid
d) 6.35 * 10^23 molecules of sulfuric acid

2. Which of the following statements is true?
a) 1 mole H atoms = 6.02 * 10^23 H atoms
b) 1 mole pennies = 6.02 * 10^23 pennies
c) 6.02 * 10^23 H atoms have a mass of 1.0g
d) The formula mass of O= 32.00 amu

One mole of NH3 contains:
a) 1.806 * 10^24 atoms of hydrogen
b) 1.4g of nitrogen atoms
c) 6.02 * 10^23 molecules of ammonia
d) 7.0g of ammonia