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11 May, 11:56

What is the molecular formula of a compound with the empirical formula NO2 and a molar mass of 138.02 grams per mole

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  1. 11 May, 14:43
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    The total mass of the empirical formula, NO2, is 46 grams per mole. To determine the molecular formula, divide the molar mass of the substance by 46 grams per mole. This is shown below,

    (138.02 / 46) = 3

    Multiply the subscripts of the empirical formula by the calculated quotient. Thus, the empirical formula is N3O6.
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