The pressure exerted on walls of a 3L flask when 7 g of is introduced into it at 300 K should be (assume ideal behaviour of gas)

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Question

The pressure exerted on walls of a 3L flask when 7 g of $N_2$ is introduced into it at 300 K should be (assume ideal behaviour of gas)

Prashant Kotian · Accepted Answer

Correct answer: B. moles of n2 = 7 / 28 = 0.25 mol. from pv = nrt → p = 0.25 × 0.0821 × 300 / 3 = 2.05 atm.

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