Solutions Question 84

Question: The molal elevation constant of water =0.52oC . The boiling point of 1.0 molal aqueous KCl solution (assuming complete dissociation of KCl ), therefore, should be [BHU 1987]

Options:

A) 100.52oC

B) 101.04oC

C) 99.48oC

D) 98.96oC

Show Answer

Answer:

Correct Answer: B

Solution:

ΔTb=imkb=0.52×1×2=1.04 . \ Tb=100+1.04=101.04oC .



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