1. WHITEBOARD STOICHIOMETRY PRACTICE

2. 1.How many moles of sodium will react with water to produce 4.0 mol of hydrogen gas in the following reaction? 2Na(s) + 2H 2 O(l) 2NaOH(aq) + H 2 (g)

3. 2. The combustion of acetylene gas is represented by this equation: 2C 2 H 2 (g) + 5O 2 (g) 4CO 2 (g) + 2H 2 O(g) How many moles of CO 2 are produced when 64.0 g C 2 H 2 burn in oxygen?

4. 3. The equation for the combustion of carbon dioxide is 2CO(g) + O 2 (g) 2CO 2 (g) How many liters of oxygen are required to burn 3.86 L of carbon dioxide?

5. 4. Iron metal (Fe) can be obtained from iron ore, Fe 2 O 3, Fe 2 O 3 (s) + 3CO(g) 2Fe(s) + 3CO 2 (g) How much iron ore (grams) is needed to obtain 92.8 grams of iron metal?

6. 5. Sodium hydroxide reacts with carbon dioxide to produce sodium carbonate and water, 2NaOH(s) + CO 2 (g) Na 2 CO 3 (s) + H 2 O(l) How many grams of sodium carbonate are produced from 520 grams of sodium hydroxide?

7. 6. Carbon disulfide is an important industrial solvent and it is prepared as follows: 5C(s) + 2SO 2 (g) CS 2 (l) 4CO(g) a)How many moles of carbon are needed to react with 5.44 mol SO 2 ? b) The reaction yields 335 g of carbon disulfide. How many moles of CS 2 are produced?