This lesson will demonstrate how to calculate the pH of a solution given the hydrogen ion concentration. It is 2 of 2 in the series titled "Calculating pH."

This lesson will demonstrate how to calculate the pOH of a solution knowing the total of both pH and pOH is 14. It is 1 of 2 in the series titled "Calculating pOH."

This lesson will demonstrate how to convert among pH, [H+], pOH and [OH-] using several examples. It is 2 of 2 in the series titled "Converting among pH, [H+], pOH and [OH-]". [5:19]

The molecules inside some plants giving them vibrant colors can change to other colors under acid and base conditions. What we show here is color change of purple cabbage and a flower named Teornia fournieri in sodium hydroxide and...

This lesson will give the Bronsted-Lowry definition of an acid and a base and show several examples. It is 1 of 2 in the series titled "Acids and Bases Definitions: Bronsted-Lowry."

Understand titration curves by comparing the initial pH and pH at equivalence point for different types. [11:02]

Video lesson explains the Bronsted-Lowry and Lewis Definitions. [8:54]

Video lecture provides a review of Keq, Ka, and pKa. [8:48]

See the solution from the 2015 AP Chemistry free response test 3e: sketching a titration curve based on half-equivalence and equivalence points. [2:56]

See the solution from the 2015 AP Chemistry free response question 3f: analyzing concentrations when the pH is lower than half-equivalence point. [4:42]

Autoionization of water into hydronium and hydroxide ions.

Introduction to the concept of pH. [5:21]

A buffer solution contains a mixture of a weak acid and its conjugate base (or a weak base and its conjugate acid). The equilibrium between the weak acid and its conjugate base allows the solution to resist changes to pH when small...

This video explains the mechanisms for acid and base-catalyzed hydrolysis of amides. [11:46]

This video demonstrates how the addition of acid or base can catalyze the formation of hydrates and hemiacetals. [10:26]

Learn how to calculate the unknown concentration with titration. See an example of titrating strong acid, hydrochloric acid, with strong base barium hydroxide. [7:49]

This lesson will define a polyprotic acid and compare that to a monoprotic acid. It is 2 of 2 in the series titled "Define Polyprotic Acid."

This lesson will explain what pH means, and the difference between substances with a high pH vs a low pH. It is 1 of 4 in the series titled "What is pH?"

This lesson will demonstrate how to calculate the concentration of an unknown (acid or base) using the information obtained from a titration. It is 2 of 2 in the series titled "Acid/Base Titration Calculations."

This lesson will explain the regions of a titration curve and what they represent. It is 2 of 2 in the series titled "Acid/Base Titration Curve."

This lesson will explain the regions of a titration curve and what they represent. It is 1 of 2 in the series titled "Acid/Base Titration Curve."

This lesson will define the vocabulary of an acid/base titration - endpoint/equivalence point, titrant, indicator, and sample. It is 2 of 2 in the series titled "Acid/Base Titrations - Definitions."

This lesson will define the vocabulary of an acid/base titration - endpoint/equivalence point, titrant, indicator, and sample. It is 1 of 2 in the series titled "Acid/Base Titrations - Definitions."

This lesson will give the Arrhenius definition of an acid and a base and show several examples. It is 2 of 2 in the series titled "Acids and Bases Definitions: Arrhenius."