1. Calculate the percent composition by mass of water in the compound CaSO4 • 6 H2O [GFM = 244].
2. Calculate the percent composition by mass of water in the hydrate CaCl2 • 2H2O .
3. Calculate the percent composition by mass of water in the hydrate CuSO4 • 5 H2O ?
4. Calculate the percent composition by mass of water in the hydrate CaO • 4H2O [GFM = 128]
5. What is the percent mass concentration of 45 g of a solution containing 9.0 g of KClO3
6 A single 500.0 gram serving of one sports drink contains 0.055 grams of sodium ions. Calculate the concentration of sodium ions in this sports drink, expressed as percent by mass.
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