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15 June, 02:40

If a compound containing only magnesium and oxygen consists of 0.564 g mg and 0.376 g o, what is the compound's empirical formula ...

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  1. 15 June, 02:52
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    the Empirical formula of the compound is calculated as follows

    find the moles of each element

    moles = mass/molar mass

    that is Magnesium = 0.564 g / 24 g/mol = 0.0235 moles

    For oxygen = 0.376 g / 16 g/mol = 0.0235 moles

    find the mole ratio by dividing both moles of by 0.0235 moles

    magnesium = 0.0235/0.0235 = 1mole

    oxygen = 0.0235 / 0.0235 = 1mole

    therefore the empirical formula = MgO
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