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3 November, 06:19

Metal carbonyls are molecular compounds. assume that you heat and decompose completely 1.322 g of fex (co) y to form 0.377 g of iron. what is the empirical formula of the compound?

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  1. 3 November, 08:29
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    We are given total of 1.322g of compound. The masses are therefore:

    mass Fe = 0.377 g

    mass CO = 1.322 - 0.377 = 0.945 g

    Convert this to moles by dividing with molar mass:

    moles Fe = 0.377 / 55.845 = 6.75 x 10^-3 mol

    moles CO = 0.945 / 28 = 0.03375 mol

    To get the empirical formula, divide the two by the lowest mol = 6.75 x 10^-3 mol, so that we get:

    Fe = 1

    CO = 5

    Therefore:

    Fe (CO) 5
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