Potassium chloride has a solubility of 43 g of KCl in 100 g of H2 O at 50^∘ C . Determine if eac

step 1 If the solubility of potassium chloride at 50 degrees Celsius is 43 grams potassium chloride per

Potassium chloride has a solubility of 43 g of KCl in 100 g...

Potassium chloride has a solubility of $43 \mathrm{g}$ of $\mathrm{KCl}$ in $100 \mathrm{g}$ of $\mathrm{H}_{2} \mathrm{O}$ at $50^{\circ} \mathrm{C} .$ Determine if each of the following forms an unsaturated or saturated solution at $50^{\circ} \mathrm{C}:(9.3)$ a. adding $25 \mathrm{g}$ of $\mathrm{KCl}$ to $100 .$ g of $\mathrm{H}_{2} \mathrm{O}$ b. adding $15 \mathrm{g}$ of $\mathrm{KCl}$ to $25 \mathrm{g}$ of $\mathrm{H}_{2} \mathrm{O}$ c. adding $86 \mathrm{g}$ of $\mathrm{KCl}$ to $150 . \mathrm{g}$ of $\mathrm{H}_{2} \mathrm{O}$

Potassium chloride has a solubility of $43 \mathrm{g}$ of $\mathrm{KCl}$ in $100 \mathrm{g}$ of $\mathrm{H}_{2} \mathrm{O}$ at $50^{\circ} \mathrm{C} .$ Determine if each of the following forms an unsaturated or saturated solution at $50^{\circ} \mathrm{C}:(9.3)$
a. adding $25 \mathrm{g}$ of $\mathrm{KCl}$ to $100 .$ g of $\mathrm{H}_{2} \mathrm{O}$
b. adding $15 \mathrm{g}$ of $\mathrm{KCl}$ to $25 \mathrm{g}$ of $\mathrm{H}_{2} \mathrm{O}$
c. adding $86 \mathrm{g}$ of $\mathrm{KCl}$ to $150 . \mathrm{g}$ of $\mathrm{H}_{2} \mathrm{O}$

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Key Concepts

Proportional Reasoning in Solubility

Using proportional reasoning in solubility involves comparing the actual amount of solute to the maximum amount that can be dissolved in a given amount of solvent. By setting up ratios based on the solubility data provided, one can determine whether a solution is saturated or unsaturated by calculating if the solute added is at, below, or above the saturation threshold.

Solubility

Solubility is a measure of the maximum amount of a solute that can be dissolved in a solvent at a specified temperature and pressure. It is usually expressed in terms of grams of solute per 100 grams of solvent, indicating the saturation point beyond which additional solute will not dissolve under the given conditions.

Saturated and Unsaturated Solutions

A saturated solution is one in which the solvent has dissolved the maximum amount of solute that it can hold at a particular temperature, while an unsaturated solution contains less solute than the solvent's maximum capacity. This concept is important in determining whether adding more solute will result in dissolution or precipitation.

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