Chemistry Practice Problems Acid and Base Titration Curves Practice Problems Solution: On the weak base/strong acid titration curve below...

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Solution: On the weak base/strong acid titration curve below, label the following points.a) The point where the pH corresponds to a solution of the weak base (B) in water.b) The point where the pH corresponds to a solution of the conjugate acid (BH +) in water.c) The point where pH=pKa (for BH+).

Problem

On the weak base/strong acid titration curve below, label the following points.

a) The point where the pH corresponds to a solution of the weak base (B) in water.

b) The point where the pH corresponds to a solution of the conjugate acid (BH +) in water.

c) The point where pH=pK(for BH+).

Solution

We are asked to look for the parts described in the diagram given.


Let analyze each statement one by one.

(a) The point where the pH corresponds to a solution of the weak base (B) in water.

● pH is determined only by the concentration of B → no titrant (strong acid) is added to the solution yet

 corresponds to the starting point

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