Sample Problem

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A solution contains 70 g of NaNO3 at 10°C (in 100 mL H2O). How much more solute can dissolve in the solution?


At 10°C, the solubility of NaNO3 in 100 ml of water is 80 g. Thus, the solution can dissolve 10 g (80 g – 10 g = 10 g) more solute to become saturated.