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Kf for chloroform is 4.68 °C/m; normal freezing point of chloroform is -63.5°C. Calculate the freezing point of a solution co
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Answer #1

Delta Tf = Kf×m

m is molality

Kf is is constant

Delta Tf=4.68×85×1000/154×750

Delta Tf=3.44

-63.5-Tf =3.44

Tf=-66.94 degree Celsius

The answer is -66.9

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