Water is added to 25 ml of a .911 M KNO3 solution until the volume of solution is exactly 500ml. What is the concentration of the final solution.

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  1. 0.911 M x 25/500 = ??M OR

    another way:
    moles KNO3 = M x L = 0.025 x 0.911 = ??moles
    Then M = moles KNO3/0.500 L.
    You should obtain the same answer either way.

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  2. niobno'

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