If M, W and V represent a molar mass of solute, then the mass of solute and volume of solution in litres respectively, which among following equations is true?

π = \frac{M W R}{T V}

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π = \frac{T M R}{W V}

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π = \frac{T W R}{V M}

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π = \frac{T R V}{W M}

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Solution

The correct option is B $π = \frac{T W R}{V M}$
$π = C R T$ where C is the concentration

$C = \frac{M o l e s o f s o l u t e}{v o l u m e}$

$C = \frac{W}{M V}$

So, $π = \frac{W R T}{M V}$

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