Stoichiometry

Mixed Stoichiometry

Name: ___________________

1. How many moles of carbon will be produced by the decomposition of 176 grams of carbon dioxide?

2. How many moles of hydrogen gas are produced by the decomposition of 64 grams of hydrogen iodide?

3. Strontium nitrate reacts with potassium phosphate in a double replacement reaction. How many moles of strontium nitrate are required to make 4.53 grams of precipitate?

4. If 68 grams of phosphorus trihydride is decomposed into its elements, how many moles of hydrogen gas are produced?

5. Suppose that 7.81 grams of Na2S are reacted with AlPO4. How many moles of aluminum phosphate are required for this reaction?

6. Sodium phosphate reacts with calcium hydroxide in a double replacement reaction. How many moles of sodium phosphate are needed to produce 48.0 grams of sodium hydroxide?

7. In a foam-producing fire extinguisher, aluminum sulfate reacts with sodium bicarbonate to produce aluminum hydroxide, carbon dioxide, and sodium sulfate. How many moles of aluminum hydroxide are produced by the reaction of 50.4 grams of sodium bicarbonate?