the-titration-curve-for-two-monoprotic-acids-is-illustrated-below-what-is-the-pk

Question

The titration curve for two monoprotic acids is illustrated below. What is the pK_a for the weak acid?

Titration curves for two monoprotic acids showing pH vs. volume of base added.

Accepted Answer

Curve B is the curve for the weak acid. It has a pK_a of 6.5.

Answer

Curve A is the curve for the weak acid. It has a pK_a of 1.5.

Answer

Curve A is the curve for the weak acid. It has a pK_a of 8.0.

Answer

Curve B is the curve for the weak acid. It has a pK_a of 10.5.