Question

If the pressure exerted by a gas at 25°C in a volume of 0.042 L is 2.97 atm, how many moles of gas are present?

Answer 1

Answer:

Explanation:

As per ideal gas equation,

PV= nRT

⇒n= $\frac{PV}{RT}$ = $\frac{2.97 X 0.042}{0.0821 X 298}$ =$\frac{0.12474}{24.4658}$

⇒5.09 x $10^{-3}$

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