1. What is the mass of 2.23 x 1023 atoms of sulfur?
2. How many formula units of silver fluoride, AgF in 42.15 g?
3. How many molecules are there in a 42.3 g sample of water, H2O?
4. What is the mass in grams of 9.80 x 1023 formula units of Zinc Chlorate, Zn(ClO3)2?
5. How many molecules are in 189 g of carbon tetrabromide, CBr4?