# Solutions

- Page ID
- 11094

**1. Given the following reaction: (hint: balance the equation first)**

** Na _{2}SO_{4} + 2 AgNO_{3} g 2 NaNO_{3} + Ag_{2}SO_{4}**

**If you start with 60 mL of a 3.0 M Na _{2}SO_{4} solution and 40 mL of a 3.0 M AgNO_{3} solution,**

**a) determine the limiting reagent AgNO _{3}**

**b) using the information from part a, determine the theoretical yield of Ag _{2}SO_{4}**

**18.71 g Ag**

_{2}SO_{4}**c) determine the number of grams of excess reagent left 17.04 g Na _{2}SO_{4}**

**2. Given the following equation:**

** Ca(OH) _{2} + 2 HClO_{4} g 2 H_{2}O + Ca(ClO_{4})_{2}**

**a) If 40 mL of a 1.0 M HClO _{4} solution is reacted with 60 mL of a 1.5 M Ca(OH)_{2} solution, determine the limiting reagent HClO_{4}**

**b) Determine the number of moles of H _{2}O produced 0.04 mol H_{2}O**

**c) Determine the number of grams of Ca(ClO _{4})_{2} produced 4.78 g Ca(ClO_{4})_{2}**

**d) Determine the number of grams of excess reagent left over in the reaction**

**5.19 g Ca(OH) _{2}**