At 298 K, 6 grams of urea is dissolved in 90 grams of water. Relative lowering of vapour pressure of the solution is

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1100

1101

151

150

answer is C.

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Detailed Solution

n2=660=0.1; n1=9018=5; RLVP=X2=n2n1+n2; RLVP=X2=0.15+0.1; RLVP=151;

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