The boiling point of 0.1 molal aqueous solution of urea is `100.18 ^(@)C` atm. The molal elevation constant of water is
The boiling point of 0.1 molal aqueous solution of urea is `100.18 ^(@)C` atm. The molal elevation constant of water is
A. 1.8
B. 0.18
C. 18
D. 18.6
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Correct Answer - A
`K_(b) = (Delta T_(b))/m=(T_(b)-T^(@))/m=(100.18 -100)/0.1=0.18/0.1=1.8^(@)`
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