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Estimate the total number of air molecul...

Estimate the total number of air molecules (inclusive of oxygen, nitrogen, water vapour and other constituents) in a room of capacity `25.0 m^(3)` at a temperature of `27^(@) C` and 1 atm pressure. (Boltzmann constant `= 1.38 xx 10^(-23) JK^(-1))`.

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`6.10 xx 10^(26)`
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