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9 October, 15:54

How many milliliters of 2.55 M NaOH is needed to make 125 mL of 0.75 M NaOH?

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  1. 9 October, 16:11
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    As i am reading the problem, i notice they give two concentrations (M), a volume and asking for the other volume; this should be a hint that we need to use the dilution formula---> M1V1 = M2V2

    M1 = 2.55 M

    V1 = ?

    M2 = 0.75 M

    V2 = 125 mL

    now, we plug in the values into the formula

    (2.55 x V1) = (0.75 x 125)

    V1 = 36.8 mL
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