what is the gram formula mass of Mg(C103)2?


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  1. 191.2068.

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  2. how did you get that answer ?

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  3. Mg(ClO3)2. You look up the atomic masses on the periodic table and add them.
    Mg is approximately 24.3
    Cl = 35.45 x 2= ?
    O = 16 x 6 = ?

    I go here and it adds them for me.

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  4. But not in an exam! It is worth doing the problems using data from a Periodic Table or a data table so that you are familiar with the RAM of some common elements. Using a Periodic Table also reinforces where the elements are in the Periodic Table.

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    posted by Dr Russ

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