Given the reaction at equilibrium: H2(g) + Cl2(g) ↔ 2 HCl(g) As the pressure increases at constant temperature, the mass of H2(g)

A) decreases
B) increases
C) remains the same

According to the equilibrium law, when any external stress is applied on the equilibrium then it will shift on that side where applied stress is decreases.

If in the given equilibrium condition, pressure of the gas increases then reaction will shift towards the left side to reduce that pressure as a result of which mass of hydrogen gas increases.

Hence, mass of hydrogen gas increases.

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Given the reaction at equilibrium: H2(g) + Cl2(g) ↔ 2 HCl(g) As the pressure increases at constant temperature, the mass of H2(g) A) decreases B) increases C) remains the same

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What is equilibrium law?

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Given the reaction at equilibrium: H2(g) + Cl2(g) ↔ 2 HCl(g) As the pressure increases at constant temperature, the mass of H2(g)

A) decreases
B) increases
C) remains the same