1. 1. Mole - mole Moles A  Moles B 2. Mole - mass Moles A  Moles B  Mass B 3. Mass - mole Mass A  Moles A  Moles B 4. Mass - mass Mass A  Moles A  Moles B  Mass B

2. 32 How many moles of ammonia will be produced from 4.5 moles of hydrogen? mass A  moles A  moles B  mass B AB mol H 2 4.5x mol NH 3 2 mol H 2 3 = 3 mol NH 3

3. 22 How many moles of mercury (II) oxide are needed to produce 125 g of oxygen? mass A  moles A  moles B  mass B A B g O 2 125xx mol O 2 g O 2 mol HgO1 32.0 2 1 = 7.81 mol HgO

4. What mass of Fe can be produced from the complete reaction of 4.0 moles of CO? mass A  moles A  moles B  mass B mol COxx = mol Fe g Fe 344 4.0 3 41 55.85 AB 167.55 g Fe

5. What mass of CO 2 can be produced from 25.0 g of Fe 3 O 4 ? 434 mass A  moles A  moles B  mass B B A g Fe 3 O 4 xxx= mol Fe 3 O 4 mol CO 2 g CO 2 g Fe 3 O 4 mol Fe 3 O 4 mol CO 2 25.0 1 231.55 4 11 44.01 19.01 g CO 2

6. What mass of hydrogen is needed to produce 75.0 g of tungsten? 33

7. If 37.52 grams of aluminum reacts, what mass of aluminum sulfate will be produced? 323

8. How many moles of CuSO 4 is required to produce 132.6 grams of Cu?

9. What mass of barium chloride is needed to produce 235.50 grams of silver chloride?