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    rogerwillis's Avatar
    rogerwillis Posts: 2, Reputation: 1
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    #1

    Jun 27, 2011, 10:35 AM
    Write a complete solution to this problem.
    How much of a 50% acid solution should be mixed with 10 liters of an 20% acid solution to end up with a 30% acid solution?
    shelbu1991's Avatar
    shelbu1991 Posts: 2, Reputation: 1
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    #2

    Jun 27, 2011, 10:35 AM
    Do your own homework.
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #3

    Jun 28, 2011, 07:26 AM

    Concentration multiplied by volume gives you the number of moles in a solution.

    Number of moles in 1 + Number of moles in 2 = Total number of moles.



    C1 is 0.5, C2 is 0.2, V1 is what you're looking for, V2 is 10, C is 0.3, V is V1 + V2

    I think this should be easy enough, don't you think? :)
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