The pressure exerted by gas molecules inside a container is due to gas molecules colliding with the walls of the container.Why does one mole of oxygen molecules exert the same pressure inside a flask as one mole of hydrogen molecules,although the mass of an oxygen molecule is sixteen times greater than the mass of a hydrogen molecule?

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The Answer of The pressure exerted by gas molecules inside a container is due to gas molecules colliding with the walls of the container.Why does one mole of oxygen molecules exert the same pressure inside a flask as one mole of hydrogen molecules,although the mass of an oxygen molecule is sixteen times greater than the mass of a hydrogen molecule?

The Pressure Exerted by Gas Molecules Inside a Container Is