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    AhmadLeo's Avatar
    AhmadLeo Posts: 4, Reputation: 1
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    #1

    Aug 30, 2012, 01:28 PM
    How do you ensure that the starting material was pure magnesium,
    Understanding Empirical Formula.


    How do you ensure that the starting material was pure magnesium, and that the reaction to form the oxide product had gone to completion?
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Aug 31, 2012, 04:05 AM
    You cannot be 100% sure, because at any time, there will be some impurities. But you can get a reasonable purity if you clean the magnesium ribbon well.

    And I'm not sure what the empirical formula is mentioned...
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