# Problem: Determine the freezing point (in °C) of a solution of 11.712 grams of K 2SO4 dissolved in 500 grams of H2O. The Kb and Kf of water are 0.51 °C/m and 1.86 °C/m respectively. A. 0.430 B. -0.430 C. 0.186 D. -0.186 E. -0.75

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###### Problem Details

Determine the freezing point (in °C) of a solution of 11.712 grams of K 2SO4 dissolved in 500 grams of H2O. The Kb and Kf of water are 0.51 °C/m and 1.86 °C/m respectively.

A. 0.430

B. -0.430

C. 0.186

D. -0.186

E. -0.75

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Based on our data, we think this problem is relevant for Professor Weiss' class at UCSC.