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Consider the titration of a 26.0-mL sample of 0.180 M CH3NH2 with 0.155 M HBr. (The...

Consider the titration of a 26.0-mL sample of 0.180 M CH3NH2 with 0.155 M HBr. (The value of Kb for CH3NH2 is 4.4×10−4.)

Determine the pH at 4.0 mL of added acid

Determine the pH at one-half of the equivalence point.

Determine the pH after adding 6.0 mL of acid beyond the equivalence point.

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