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JEE Main 2022 Chemistry question

ChemistryStates of Matter (Gaseous & Liquid State)JEE Main 2022

A 10 g mixture of hydrogen and helium is contained in a vessel of capacity 0.0125 at 6 bar and 27°C. The mass of helium in the mixture is g. (nearest integer) Given : R = 8.3 J (Atomic masses of H and He are 1 u and 4 u, respectively)

Answer: 8

Solution

The total moles are n = PV/RT = ( 0.0125)/(8.3 . Let the

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Question ID VK-025064