Question
Asked Nov 3, 2019

For a weak acid (CH3COOH) that is titrated with a strong base (NaOH), what species (ions/ molecules) are present in the solution at the stoichiometric point? What species are present at the halfway point?

check_circleExpert Solution
Step 1

The stoichiometric point is also known as the equivalence point. It is the point when the complete acid is neutralized by the base that is the number of moles of an acid and a base are equal.

The endpoint is the point that brings sudden changes in the physical properties such as a change in the color of the indicator.

Step 2

The complete neutralization takes place when acetic acid and sodium hydroxide are mixed. The reaction is written below.

CH3COOH + NaOH →  CH3COONa + H2O

Since acetic acid is a weak acid, it dissociates partially, Therefor...

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