Erythromycin is a weak base that has a pkb of 5.20., Ask an Expert

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Erythromycin is a weak base that has a pkb of 5.20. Twenty-five ml of 0.30 M solution of erythromycin is titrated with 0.35 M nitirc acid .

Calculate the pH in each of the following additions of acid.

(a) 2/7 of the way to the equivalence point:

(b)1.5 mL after midpoint:

(d) after 40 mL has been added:

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