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Question 13.9: Calculate the freezing point of a 1.7 m ethylene glycol solu......

Calculate the freezing point of a 1.7 m ethylene glycol solution.

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GIVEN: 1.7 m solution
FIND: \Delta T_f

\Delta T_f=m \times K_f \\ = 1.7  \frac {\cancel{mol  solute}} {\cancel{kg  solvent}} \times 1.86  \frac{°C  \cancel{ kg  solvent}}{\cancel{mol  solute}}\\ = 3.2  °C

Freezing point = 0.00 °C – 3.2 °C

= -3.2 °C

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