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Characteristics of Equilibrium Constant

The relative ...

Question

The relative humidity is $50 %$ , if the air contains about :

2.55 g

of water vapour at

40^{\circ} C

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25.5 g

of water vapour at

40^{\circ} C

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2.55 k g

of water vapour at

40^{\circ} C

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25.5 k g

of water vapour at

40^{\circ} C

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Solution

The correct option is B $25.5 g$ of water vapour at $40^{\circ} C$
Air with a relative humidity of 50% contains a half of the water vapor it could hold at a particular temperature.
So if the air containing 25.5g of water vapour at $40^{\circ} C$ , them the relative humidity id 50%.

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