Answer to Question #286129 in Chemistry for eli

Question

A water was tested for water hardness. A 50.00 mL aliquot was prepared and buffered to pH 10.0, it required 23.55 mL of 0.0250 M EDTA. A second aliquot, prepared with NaOH, was titrated with 14.53 mL of the same EDTA titrant. Calculate the following:

a. total hardness (in ppm CaCO3)

b. magnesium hardness (in ppm MgCO3)

Answer 1

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