Buffers

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A solution that is

0.10 M CH3COOH

is titrated with

0.10 M NaOH

Endpoint is above pH 7

Slide 14

Strong Acid/Strong Base Titration

A solution that is

0.10 M HCl is titrated with

0.10 M NaOH

Endpoint is at

pH 7

Slide 15

Strong Acid/Strong Base Titration

A solution that is

0.10 M NaOH is titrated with

0.10 M HCl

Endpoint is at

pH 7

It is important to recognize that titration curves are not always increasing from left to right.

Slide 16

Strong Acid/Weak Base Titration

A solution that is

0.10 M HCl is titrated with

0.10 M NH3

Endpoint is below

pH 7

Slide 17

Selection of Indicators

Slide 18

Indicator Transitions

Source: Wikipedia