Two solutions are prepared using the same solute: Solution A: 0.14 g of solute d

Question

Two solutions are prepared using the same solute: Solution A: 0.14 g of solute dissolves in 15.4 g oft-butanol Solution B: 0.17 g of solute dissolves in 12.7 g ofcyclohexane Which solution has the greatest freezing point change? showcalculations. Freezing point constant of t-butanol = 9.1 Freezing point constant of cyclohexane = 20.0 Two solutions are prepared using the same solute: Solution A: 0.14 g of solute dissolves in 15.4 g oft-butanol Solution B: 0.17 g of solute dissolves in 12.7 g ofcyclohexane Which solution has the greatest freezing point change? showcalculations. Freezing point constant of t-butanol = 9.1 Freezing point constant of cyclohexane = 20.0

Explanation / Answer

We Know that :      The depression in the freezing pointof the solution can be calculated by the formula :          Tf = Kf x molality      Solution A :            T = 9.1 x 0.14 / M x 15.4 * 1000                   = 82.7272 / M            SolutionB:
          T = 20.0 x 0.17 / M x 12.7 *1000                  = 267.71 / M      as the solute is same in the both thecases so their is more deprssion in the freezing point of thesolutionB.             

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