- 1.5 M LiCl ANS: 63.75
- 0.3 M K2SO4 ANS: 52.2
- 2M NaCl ANS: 117
- 0.5 M KI ANS: 83
- 0.05 M (NH4)2S2O8 ANS: 11.4
2.How many grams of solute we need to prepare 250 cm3 of the following solutions?
- 1.5 M LiCl ANS: 15.93
- 0.3M K2SO4 ANS: 13.05
- 2M NaCl ANS: 29.25
- 0.5 M KI ANS: 20.75
- 0.05 (NH4)2S2O8 ANS: 2.85
3) Find the molarity of the following solutions:
- 0.5 moles of sodium chloride is dissolved to make 0.05 liters of solution. ANS: 10M
- 0.5 grams of sodium chloride is dissolved to make 0.05 liters of solution. ANS: 0.171M
- 0.5 grams of sodium chloride is dissolved to make 20.0 mL of solution. ANS: 0.43 M
- 7.70 grams of lithium sulfate are dissolved to make 250 mL of solution. ANS: 0.28M
- 6.7 x 10-2 grams of PbCl2 are dissolved to make 3.05 mL of solution ANS: 0.0790 M