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JEE Main Chemistry question

ChemistryStates of Matter (Gaseous & Liquid State)JEE Main

Oxygen gas generated by the decomposition of potassium chlorate is collected. The volume of oxygen collected at and atmospheric pressure of Hg is . Calculate the mass of oxygen gas obtained. The pressure of the water vapour at is Hg

Answer: (B)

Solution

Since the gas is collected over water, . Using with ,

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Question ID VK-134061