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  • of non volatile solute dissolved in  <img alt="102 \mathrm{~g}" src="https://entranc

15 \mathrm{~g} of non volatile solute dissolved in  102 \mathrm{~g}  of water, produces the relative lowering of vapour pressure of 0.2 . The molecular mass of solute

Option: 1

6.9 


Option: 2

13.2 


Option: 3

11.5 
 


Option: 4

15.6


Answers (1)

best_answer

\mathrm{\frac{\Delta p}{p^0} =X_B }
\mathrm{0.2 =\frac{15 / \mathrm{m}}{102 / 18} }

\mathrm{m=13.2 }.

Posted by

Rishabh

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