A chemist has of at 25 °C

CHEMISTRY · Subjective · AP · Chemistry · Equilibrium · Equilibrium

Problem

A chemist has 100.0 mL100.0\,\text{mL} of 0.0100 M  BaCl20.0100\,\text{M}\;\text{BaCl}_2 at 25 °C. The solubility-product constant for BaSO4_4 is 1.1×10−101.1\times10^{-10}. Assuming the solution volume remains essentially constant, calculate the minimum mass (in grams) of solid K2_2SO4_4 (molar mass 174.3 g mol−1174.3\,\text{g mol}^{-1}) that must be dissolved to begin precipitation of BaSO4_4.

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