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empirical formula of a compound

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if 11.80 g of iron reacts with 5.06 g of oxygen . Determine the empirical formula of the resulting oxide ?

  • empirical formula of a compound - ,

    figure the moles of each element.

    divide both moles by the lower of the two.

    The result, is the ratio of the elements. Convert that ratio to small whole numbers. For instance:

    X 1.5 Y 1 X3Y2
    X 7 Y 5.1 X7Y5
    X1 Y 1.333 X3Y4

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