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March 26, 2017

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5. Compound A has a MW of 283. 0.423g of Compound A is dissolved in 13.5mL of water and 1mL of the solution added to 5mL of water to produce “solution A”. What is the concentration of Compound A in “solution A”?

  • chemistry - ,

    You should specify the units of concn. g/L, g/mL, M, etc.
    If you want molarity, then
    0.423/283.0 = moles.
    moles/0.135L = M of the original.
    M x 1mL/5mL = new M.

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