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A 25.0 mL sample of .200M methylamine (CH3NH2, pKb=3.36) is titrated with .100M HCl solution. Calculate the pH of the solution after the following volumes of HCl have been added. (For each part remember t ask yourslef these questions. What units am I working in? what does the pH edepend on? Does my answer make sense?)

a. 0.0mL

b.25.0mL

c. 50.0mL

d. 75.0mL

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