Playing with Solubility 3

Chemistry Level 2

At \(60^\circ\text{C}\), a 150 g \(\ce{KNO3}\) solution must add 22 g \(\ce{KNO3}\) crystal or evaporate 20 g of water to become a saturated solution. The density of the saturated solution is \(1.7\text{ g mL}^{-1}.\) If the 150 g \(\ce{KNO3}\) solution contains 68 g of \(\ce{KNO3}\) and I evaporate 30 g of water, what is the amount of \(\ce{KNO3}\) crystal that be separated in grams? Assume that the temperature does not change during the process.

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