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Chemistry

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If the decomposition of 3.785 g iron (III) chloride yields 1.302 g iron and 2.483 g chlorine, how many grams of iron and chlorine are produced when 2.175 g iron (III) chloride decomposes?

  • Chemistry -

    2FeCl3 3.785g   2.175g
    |
    |
    v
    2Fe 1.302   x
    +
    3Cl2 2.483   y

    I would do it this way.
    For Fe, x = 1.302 x (2.175/3.785) = 0.758 g
    For Cl2 2.175-0.758 = 1.427 g

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