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What is the molar mass of the unknown metal

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A 0.2 g sample of an unknown metal (X) is dropped into hydrochloric acid and releases 68.5 mL of gas at STP. What is the molar mass of the unknown metal? X(s) + 2HCl ® XCl2(aq) + H2(g)

Reference no: EM132787719

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