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Question

Calculate the freezing point of a solution containing 5.0 grams of KCl and 550.0 grams of water. The molal-freezing-point-depression constant (Kf) for water is 1.86 °C/m. A) -0.23 °C B) +0.23 °C C) +0.45 °C D) -0.45 °C E) 1.23 °C