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31 October, 21:42

When 2.5000 g of an oxide of mercury, (hg soy) is decomposed into the elements by heating, 2.405 g of mercury are produced. calculate the empirical formula?

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  1. 1 November, 00:05
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    For Hg:

    2405 g mol / 200.59 g = 0.0012 mol

    For O:

    (2.5000 - 2.405) g mol / 15.999 g = 0.006 mol

    0.012 : 0.006 = 2 Hg

    0.006 : 0.006 = 1 O

    Answer:

    The empirical formula is Hg 2 O.
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