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29 September, 05:09

Determine the molar mass of an unknown monoprotic acid to two decimal places if 20.01 ml of a 0.098 m naoh solution were used to titrate 0.215 g of the unknown acid

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  1. 29 September, 05:35
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    By using the following formula we can calculate the volume;

    C₁V₁ = C₂V₂

    C₁ = concentration of starting solution = 0.098m

    V₁ = volume of starting solution that is needed for titration = 20.01ml

    C₂ = Desired concentration of final solution = ?

    V₂ = desired volume of final solution = 0.215g = 0.215ml

    Now putting the values in the formula;

    0.098 x 20.01 = C₂ x 0.215

    C₂ = 0.215 / 1.96098 = 0.109m = 0.11m

    Thus, the answer is 0.11m.
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