weak acid or base whose conjugate partner imparts a different solution color; used in visual assessments of solution pH

color-change interval

range in pH over which the color change of an indicator is observed

plot of some sample property (such as pH) versus volume of added titrant

Chemistry 2e · 14.7 Acid-Base Titrations

Acid-Base Titrations: practice problems

2 problems from the book, with its answers. Check your working, or have any of them explained to you on the whiteboard.

Exercises 92
Explain how to choose the appropriate acid-base indicator for the titration of a weak base with a strong acid.
Sign up free to have it checked
Exercises 94
Calculate the pH at the following points in a titration of 40 mL (0.040 L) of 0.100 M barbituric acid (K $_{a}$ = 9.8 $\times$ 10⁻⁵) with 0.100 M KOH.
(a) no KOH added
(b) 20 mL of KOH solution added
(c) 39 mL of KOH solution added
(d) 40 mL of KOH solution added
(e) 41 mL of KOH solution added
Sign up free to have it checked

acid-base indicator: weak acid or base whose conjugate partner imparts a different solution color; used in visual assessments of solution pH
color-change interval: range in pH over which the color change of an indicator is observed
titration curve: plot of some sample property (such as pH) versus volume of added titrant

The tutor teaches the whole section, drawing it out step by step and answering your questions as you go.

Chemistry 2e · 14.7 Acid-Base Titrations

2 problems from the book, with its answers. Check your working, or have any of them explained to you on the whiteboard.

Exercises 92
Explain how to choose the appropriate acid-base indicator for the titration of a weak base with a strong acid.
Sign up free to have it checked
Exercises 94
Calculate the pH at the following points in a titration of 40 mL (0.040 L) of 0.100 M barbituric acid (K $_{a}$ = 9.8 $\times$ 10⁻⁵) with 0.100 M KOH.
(a) no KOH added
(b) 20 mL of KOH solution added
(c) 39 mL of KOH solution added
(d) 40 mL of KOH solution added
(e) 41 mL of KOH solution added
Sign up free to have it checked

acid-base indicator: weak acid or base whose conjugate partner imparts a different solution color; used in visual assessments of solution pH
color-change interval: range in pH over which the color change of an indicator is observed
titration curve: plot of some sample property (such as pH) versus volume of added titrant

The tutor teaches the whole section, drawing it out step by step and answering your questions as you go.