QUESTION 23 What is the freezing point (°C) of a solution prepared by dissolving 6.10 g of (NH4)2SO4 (formula weight = 132 g/mol) in 135 g of water? The molal freezing point depression constant for water is 1.86°C/m. Assume complete dissociation in solution. Express your answer in numerical form (NOT scientific notation) to 3 significant figures.

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