?

AP® Chemistry

Free Version

Upgrade subject to access all content

Difficult

Titration Curve for a Weak Acid

APCHEM-UDVYEN

Created for Albert.io. Copyright 2016. All rights reserved.

A weak acid of unknown molarity is titrated with $NaOH$. The graph above was obtained.

At which of the following points on the titration curve is $[A^-]$ closest to twice that of $[HA]$?

A

A

B

B

C

C

D

D