1. 0.277 mol ammonium acetate Convert to grams: 0.277 mol NH 4 C 2 H 3 O 2 Step 1: Write the formula  NH 4 C 2 H 3 O 2 Step 2: Write the given information Step 3: Write these units here 1 mol NH 4 C 2 H 3 O 2 Step 4: Find the molar mass 77.083g NH 4 C 2 H 3 O 2 Step 5: Calculate = 21.4 g NH 4 C 2 H 3 O 2

2. 17.2 g phosphoric acid Convert to moles: 17.2 g H 3 PO 4 Step 1: Write the formula  H 3 PO 4 Step 2: Write the given information Step 3: Write these units here g H 3 PO 4 Step 4: Find the molar mass 1 mol H 3 PO 4 Step 5: Calculate = 0.176 mol H 3 PO 4 97.9952

3. 0.994 mol zinc phosphate Convert to grams: 0.994 mol Zn 3 (PO 4 ) 2 Step 1: Write the formula  Zn 3 (PO 4 ) 2 Step 2: Write the given information Step 3: Write these units here 1 mol Zn 3 (PO 4 ) 2 Step 4: Find the molar mass 386.08 g Zn 3 (PO 4 ) 2 Step 5: Calculate = 384 g Zn 3 (PO 4 ) 2

4. 15.88 g ammonium phosphate Convert to moles: 15.88 g (NH 4 ) 3 PO 4 Step 1: Write the formula  (NH 4 ) 3 PO 4 Step 2: Write the given information Step 3: Write these units here g (NH 4 ) 3 PO 4 Step 4: Find the molar mass 1 mol (NH 4 ) 3 PO 4 Step 5: Calculate = 0.1065 g (NH 4 ) 3 PO 4 149.0863

5. 0.30 mol sodium hydrogen carbonate Convert to grams: 0.30 mol NaHCO 3 Step 1: Write the formula  NaHCO 3 Step 2: Write the given information Step 3: Write these units here 1 mol NaHCO 3 Step 4: Find the molar mass 84.007 g NaHCO 3 Step 5: Calculate = 25 g NaHCO 3

6. 62.3 g magnesium fluoride Convert to moles: 62.3 g MgF 2 Step 1: Write the formula  MgF 2 Step 2: Write the given information Step 3: Write these units here g MgF 2 Step 4: Find the molar mass 1 mol MgF 2 Step 5: Calculate = 1.00 g MgF 2 62.302

7. 0.147 mol ammonium hydroxide Convert to grams: 0.147 mol NH 4 OH Step 1: Write the formula  NH 4 OH Step 2: Write the given information Step 3: Write these units here 1 mol NH 4 OH Step 4: Find the molar mass 35.0458 g NH 4 OH Step 5: Calculate = 5.15 g NH 4 OH

8. 33.4 g potassium nitrate Convert to moles: 33.4 g KNO 3 Step 1: Write the formula  KNO 3 Step 2: Write the given information Step 3: Write these units here g KNO 3 Step 4: Find the molar mass 1 mol KNO 3 Step 5: Calculate = 0.330 g KNO 3 101.1032

9. 0.736 mol sulfuric acid Convert to grams: 0.736 mol H 2 SO 4 Step 1: Write the formula  H 2 SO 4 Step 2: Write the given information Step 3: Write these units here 1 mol H 2 SO 4 Step 4: Find the molar mass 98.079 g H 2 SO 4 Step 5: Calculate = 72.2 g H 2 SO 4

10. 38.1 g iron(III) chloride Convert to moles: 38.1 g FeCl 3 Step 1: Write the formula  FeCl 3 Step 2: Write the given information Step 3: Write these units here g FeCl 3 Step 4: Find the molar mass 1 mol FeCl 3 Step 5: Calculate = 0.235 g FeCl 3 162.205

11. 0.593 mol calcium chlorate Convert to grams: 0.593 mol Ca(ClO 3 ) 2 Step 1: Write the formula  Ca(ClO 3 ) 2 Step 2: Write the given information Step 3: Write these units here 1 mol Ca(ClO 3 ) 2 Step 4: Find the molar mass 206.982 g Ca(ClO 3 ) 2 Step 5: Calculate = 123 g Ca(ClO 3 ) 2

12. 8.8 g potassium carbonate Convert to moles: 8.8 g K 2 CO 3 Step 1: Write the formula  K 2 CO 3 Step 2: Write the given information Step 3: Write these units here g K 2 CO 3 Step 4: Find the molar mass 1 mol K 2 CO 3 Step 5: Calculate = 0.064 g K 2 CO 3 138.206