The Freezing-Point Depression of a 3

question 52

Short Answer

The freezing-point depression of a 3.00 × 10^-3 M solution of a weak acid HA is 6.67 × 10^-3 °C in water. Assuming that the molarity concentration and the molality concentration are the same and assuming ideal behavior, calculate K_a for the weak acid. K_f(H₂O) = 1.86 °C kg/mol.

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