Question

Calculate the pressure exerted by 1 mole of Vanderwaals Gas at 273K neglect the volume occupied by gas molecule(b=0) a= 4

Answer 1

According to van der Waals equation of state for 1 mole of a gas,

(P + a/V²)(V- b) = 0

Since, the volume occupied by gas molecules is negligible, b = 0.

Comments

How did u took volume =22.4L it's not given in the question that it is an ideal gas?

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@Darshana, you told that it is the case of an Ideal Gas.
When you solve the Ideal Gas Law using a value of 1 mole, the volume calculates to 22.4L per mole.