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A biochemical engineer isolates a bacterial gene fragment and dissolves a 10.5-mg sample in enough water to make 30.0 mL of solution. The osmotic pressure of the solution is 0.340 torr at 25 degrees C. (b) If the solution density is 0.997 g/mL, how large is the freezing point depression for this solution (Kf of water = 1.86 degrees C/m)?