(d) Consider dissolving $45 \mathrm{~g}$ of $\mathrm{KNO}_{3}$ in $150 \mathrm{~g}$ of water at $40^{\circ} \mathrm{C}$. The solution is then cooled to $10^{\circ} \mathrm{C}$. Calculate the approximate mass $(\mathrm{g})$ of $\mathrm{KNO}_{3}$ that should crystallize.

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∻Solution∻ ‖ 1 ⋮ **Determine the solubility of KNO3 at 40°C and 10°C**: To solve this problem, we need to know the solubility of KNO3 at 40°C and at 10°C. This information is typically found in a solubility chart or table. ‖ ‖ 2 ⋮ **Calculate the amount of KNO3 that remains in solution at 10°C**: Using the solubility data, calculate the maximum mass of KNO3 that can be dissolved in 150 g of water at 10°C. ‖ ‖ 3 ⋮ **Calculate the mass of KNO3 that will crystallize**: Subtract the mass of KNO3 that can remain in solution at 10°C from the initial mass of KNO3 (45 g) to find the mass that will crystallize out. ‖ ∻Answer∻ ⚹ [Insert final answer here based on solubility data] ⚹ ∻Key Concept∻ ⚹ Solubility and Temperature ⚹ ∻Explanation∻ ⚹ The solubility of a substance in a solvent typically changes with temperature. When a saturated solution is cooled, the solubility of the solute decreases, leading to crystallization of the excess solute. ⚹◊What is the formula to calculate the solubility of a compound in a solvent as a function of temperature?⍭ Generate me a similar question◊

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