Chemistry

an oxide XO2 has a vapour density constant of 32 . what is the atomic mass of X

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  1. molar mass XO2/molar mass H2 = 32
    molar mass XO2 = 32 x molar mass H2
    So molar mass XO2 = 64
    X must be 64-32 = 32

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    DrBob222

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