1.

One molar solution of sodium chloride will have the relative lowering of vapour pressure closest to :

Answer»

<P>5.8% (wt./vol) urea SOLUTION (M.M.=60)
5.8 % (wt./vol) GLUCOSE solution (M.M.=180)
1.0 M glucose solution (M.M. = 180)
2.0 M urea solution (M.M.=60)

Solution :`(P_(1)^(@)-P)/P_(1)^(@)=n/(n+N)`
mole FRACTION of NACI and urea should be same.


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