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The vapour pressure of a solvent is foun...

The vapour pressure of a solvent is found to be 400 mm Hg at 300 K. When a certain amount of a nonvolatile solute is added to 50 mol of the solvent its vapour pressure decreases to 360 mm Hg. The amount of solute added is

A

2.41 mol

B

3.42 mol

C

4.54 mol

D

5.55 mol

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The correct Answer is:
D
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