One molar solution of sodium chloride will have the relative lowering of vapour pressure closest to :
One molar solution of sodium chloride will have the relative lowering of vapour pressure closest to :
A. 5.8% (wt./vol) urea solution (M.M.=60)
B. 5.8 % (wt./vol) glucose solution (M.M.=180)
C. 1.0 M glucose solution (M.M. = 180)
D. 2.0 M urea solution (M.M.=60)
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Correct Answer - D
`(P_(1)^(@)-P)/P_(1)^(@)=n/(n+N)`
mole fraction of NaCI and urea should be same.
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