A solid mixture consists of 39.1g of KN03 (potassium nitrate) and 6.9g of K2S04

Question

A solid mixture consists of 39.1g of KN03 (potassium nitrate) and 6.9g of K2S04 (potassium sulfate). The mixture is added to 130. g of water. Use this solubility curve (Figure 1) to answer the questions. Crystallization is the opposite of dissolution. Since solids tend to dissolve better at higher temperatures, we can cause them to crystallize (i.e., undissolve) from a solution by lowering the temperature. If the solution described in the introduction is cooled to 0 degreeree C, what mass of KN03 should crystallize? Enter your answer numerically in grams. g

Explanation / Answer

12 gm

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