A biochemical engineer isolates a bacterial gene fragment and dissolves an 11.3 mg sample of the material in enough water to make 32.2 mL of solution. The osmotic pressure of the solution is 0.340 torr at 25°C.
(a) What is the molar mass of the gene fragment?
(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 °C/m)?
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