What volume (in mL) of 0.0887 M MgF2 solution is needed to make 275.0 mL of 0.0224 M MgF2 solution?

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  • Fornoob Team’s answer

    This can be solved using the equality:

    M1 X V1 = M2 X V2

    M1 = 0.0887 M

    V1 = Unknown

    M2 = 0.0224 M

    V2 = 275.0 mL

    Solving for V1 in the equality above:

    V1 = (M2 X V2)/M1

    Substituting the above values:

    V1 = (0.0224 M X 275.0 mL)/(0.0887 M)

    = 69.45 mL MgF2 solution

    (at 4 sig. figs.)

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