Instructional Video
Khan Academy

Khan Academy: Buffer Solution P H Calculations

9th - 10th
See examples of calculating the pH of a buffer solution using the Henderson-Hasselbalch equation, including the pH of the buffer solution after adding some NaOH. [11:38]
Instructional Video
Khan Academy

Khan Academy: P H and P Ka Relationship for Buffers

9th - 10th
How the Henderson-Hasselbalch equation can be used to look at the ratio of conjugate acid and base using relationship between buffer pH and pKa. [7:50]
Instructional Video
Khan Academy

Khan Academy: Titration Introduction

9th - 10th
Introduction to acid-base titrations using example of titrating 20.0 mL of HCl of unknown concentration with 0.100 M NaOH. Covers indicators, endpoint, equivalence point, and calculating the unknown concentration. [8:50]
Instructional Video
Khan Academy

Khan Academy: Titration Calculation Example

9th - 10th
An example of titrating a strong acid, hydrochloric acid, with a strong base barium hydroxide. Learn how to calculate the unknown concentration when you don't have a 1:1 molar ratio of H+ to OH-. [7:50]
Instructional Video
Khan Academy

Khan Academy: Chemistry: Acid Base Introduction

9th - 10th
The video explores how Arrhenius, Bronsted Lowry and Lewis define acids and bases. Also understand how ions disassociates in water through examples of chemical reactions. [18:37]
Instructional Video
Khan Academy

Khan Academy: Chemistry: Titration Roundup

9th - 10th
An explanation of how pH changes during various acid-base titrations. [11:02]
Instructional Video
Khan Academy

Khan Academy: Chemistry: P Ka and P Kb Relationship

9th - 10th
Using examples this videos explores the equilibrium constants of Ka and Kb. Learn what these constants can tell you about the concentrations of acids and bases in a chemical reaction. [14:33]
Instructional Video
Sophia Learning

Sophia: P H Scale: Lesson 2

9th - 10th
This lesson will introduce the pH scale as a representation of proton concentration indicating acidity. It is 2 of 3 in the series titled "pH Scale."
Instructional Video
Sophia Learning

Sophia: What Is a Base?: Lesson 1

9th - 10th
This lesson will explain what a base is, what the pH of a base is, and give an overview of the general properties of bases. It is 1 of 4 in the series titled "What is a base?"
Instructional Video
Sophia Learning

Sophia: What Is an Acid?: Lesson 1

9th - 10th
This lesson will explain what an acid is, what the pH of an acid is, and give an overview of the general properties of acids. It is 1 of 4 in the series titled "What is an acid?"
Instructional Video
Sophia Learning

Sophia: Acid/base Titration Calculations: Lesson 1

9th - 10th
This lesson will demonstrate how to calculate the concentration of an unknown (acid or base) using the information obtained from a titration. It is 1 of 2 in the series titled "Acid/Base Titration Calculations."
Instructional Video
Sophia Learning

Sophia: Acids and Bases Definitions: Arrhenius: Lesson 1

9th - 10th
This lesson will give the Arrhenius definition of an acid and a base and show several examples. It is 1 of 2 in the series titled "Acids and Bases Definitions: Arrhenius."
Instructional Video
Sophia Learning

Sophia: Calculating [H+]: Lesson 2

9th - 10th
This lesson will demonstrate how to calculate the H+ concentration given the pH of a solution. It is 2 of 2 in the series titled "Calculating [H+]". [4:47]
Instructional Video
Sophia Learning

Sophia: Calculating [Oh ]: Lesson 1

9th - 10th
This lesson will demonstrate how to calculate the [OH-] using either the pOH. It is 1 of 2 in the series titled "Calculating [OH-]". [2:15]
Instructional Video
Sophia Learning

Sophia: Calculating P H: Lesson 2

9th - 10th
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."
Instructional Video
Sophia Learning

Sophia: Calculating P Oh: Lesson 1

9th - 10th
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."
Instructional Video
Sophia Learning

Sophia: Converting Among P H, [H+], P Oh and [Oh ]: Lesson 2

9th - 10th
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]
Instructional Video
Beautiful Chemistry

Vimeo: Beautiful Chemistry: Beautiful Reactions: Color Change

9th - 10th
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...
Instructional Video
Sophia Learning

Sophia: Acids and Bases Definitions: Bronsted Lowry: Lesson 1

9th - 10th
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."
Instructional Video
Khan Academy

Khan Academy: Titration Roundup

9th - 10th
Understand titration curves by comparing the initial pH and pH at equivalence point for different types. [11:02]
Instructional Video
Khan Academy

Khan Academy: Acid/base: Acid/base Definitions

9th - 10th
Video lesson explains the Bronsted-Lowry and Lewis Definitions. [8:54]
Instructional Video
Khan Academy

Khan Academy: Acid/base: Ka and Pka Derivation

9th - 10th
Video lecture provides a review of Keq, Ka, and pKa. [8:48]
Instructional Video
Khan Academy

Khan Academy: 2015 Ap Chemistry Free Response 3e

9th - 10th
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]
Instructional Video
Khan Academy

Khan Academy: 2015 Ap Chemistry Free Response 3f

9th - 10th
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]