Consider the titration of a 24.0-mL sample of 0.185 M CH3NH2 (Kb=4.4×10−4) with 0.145 M HBr. a.)Determine the pH at 5.0

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Consider the titration of a 24.0-mL sample of0.185 M CH3NH2 (Kb=4.4×10−4) with 0.145 MHBr.
a.)Determine the pH at 5.0 mL of addedacid.
b.)Determine the pH at one-half of the equivalencepoint.
c.)Determine the pH at the equivalence point.
d.)Determine the pH after adding 5.0 mL ofacid beyond the equivalence point.