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30 March, 14:24

What is the percent by mass of carbon in Al (C03) 3

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Answers (2)
  1. 30 March, 14:52
    0
    17.41% to the nearest hundredth.

    Explanation:

    The relative atomic mass of Carbon is

    The relative molecular mass of Al (CO3) ^3 is 26.982 + 3 (12.011 + 3*15.999)

    = 207.006.

    So % C in Aj (CO3) 3 = (3 * 12.011) / 207.006) * 100

    = 17.41%.
  2. 30 March, 15:24
    0
    The answer is 15.399%
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