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The mass of a non-volatile solute of mol...

The mass of a non-volatile solute of molar mass `40g" "mol^(-1)` that should be dissolved in 114 g of octane to lower its vapour pressure by 20% is

A

11.4 g

B

9.8 g

C

12.8 g

D

10g

Text Solution

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The correct Answer is:
D
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