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An analytical chemist is titrating 187.2mL of a 0.5700M solution of propylamine C3H7NH2 with a 0.4700M...

An analytical chemist is titrating 187.2mL of a 0.5700M solution of propylamine C3H7NH2 with a 0.4700M solution of HNO3 . The pKb of propylamine is 3.46 . Calculate the pH of the base solution after the chemist has added 244.6mL of the HNO3 solution to it.

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