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    charli55's Avatar
    charli55 Posts: 1, Reputation: 1
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    #1

    Jan 30, 2008, 09:14 PM
    How do u express Molarity?
    How many grams are needed to make 200 mL of a 0.01 M solution?
    PolluxCastor's Avatar
    PolluxCastor Posts: 117, Reputation: 5
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    #2

    Jan 30, 2008, 09:30 PM
    One mole of a substance is 6.0221367E23 molecules. Which, not so coincidentally, is the molecular mass of that substance expressed in grams.

    So to answer that, the substance in question needs to be specified.
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