Question

An enclosure of volume 3 litre contains 16 g of oxygen, 7 g of nitrogen and 11 g of carbon - di-oxide at 27°C . The pressure exerted by the mixture is approximately
[R = 0.0821 lit atm mole^-1 K^-1]

Moderate

Solution

$PV = \frac{m}{M} RT \cdot P = \frac{RT}{V} (\frac{m_{1}}{M_{1}} + \frac{m_{2}}{M_{2}} + \frac{m_{3}}{M_{3}})$

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