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29 August, 22:03

Determine the mass of KNO3 that dissolves in 100 grams of water at 40°C to produce a saturated solution

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  1. 29 August, 22:08
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    From a solubility curve the solubility of KNO3 at 40°C is about 63 g / 100 g of water.

    That means that 100 g of water at 40°C can dissolve 63 g of KNO3.

    A saturated solution is one that cannot dissolve more solute, because it already has reached the greatest concentration that it can hold.

    Then, the mass of KNO3 that dissolves in 100 g of water is about 63 g.
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