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  • Oct 10, 2008, 04:59 PM
    brando23
    Calculating the amount of atoms
    How many atoms of oxygen are a formula unit of the mineral leadhillite Pb4SO4(CO3)2(OH)2?
  • Oct 11, 2008, 03:21 AM
    Unknown008

    Count 'em!

    1st in SO4
    2nd in (CO3)2
    Then in (OH)2

    Add them up. The number outside the brakets apply to alll that are in the brakets.

    Hope it helped, rate my answer, if you don't mind:)

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