A solution containing 80 g of KCl in 200 g of H₂O at 50 °C is cooled to 20 °C. a. How many grams of KCl remain in solution at 20 °C? b. How many grams of solid KCl crystallized after cooling?
Added by Cameron C.
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The solubility of KCl in water at 50 °C is 56 g/100 g H₂O. The solubility of KCl in water at 20 °C is 34 g/100 g H₂O. Show more…
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A solution containing $80 . \mathrm{g}$ of $\mathrm{KCl}$ in $200 . \mathrm{g}$ of $\mathrm{H}_{2} \mathrm{O}$ at $50^{\circ} \mathrm{C}$ is cooled to $20^{\circ} \mathrm{C}$. a. How many grams of $\mathrm{KCl}$ remain in solution at $20{ }^{\circ} \mathrm{C}$ ? b. How many grams of solid KCl crystallized after cooling?
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Solubility
A solution containing 80. g of KCl in 200. g of H2O at 50 °C is cooled to 20 °C. a. How many grams of KCl remain in solution at 20 °C? b. How many grams of solid KCl crystallized after cooling?
Susan H.
Assume that $50 \mathrm{~g}$ of $\mathrm{KCl}$ is dissolved in $100 \mathrm{~g}$ of water at $100^{\circ} \mathrm{C}$ and the solution is allowed to $\operatorname{cool}$ to $20^{\circ} \mathrm{C}$. (Refer to Figure 5.) (a) How much KCl remains in solution? (b) How much KCl crystallizes from the solution?
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