Answered

Calculate freezing temperature of.5 M sodium chloride solution. Assume that the molality of each solution is .5 M

A-.93 Celsius
B-1.86 Celsius
C-3.72 Celsius
D-.538 Celsius

Verified Answer :

rabinshrestha41

Given,
Molality = .5M

We know, Kf = 1.86

Now,
Δ T = M x Kf
      = 1.86 * 0.5
      = 0.93 °C

Now,
Freezing point = Initial freezing point - Δ T
                     = 0°C - 0.93°C
                     = -0.93°C
So, the answer is A


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