Khan Academy
Khan Academy: Weak Acid Equilibrium
A quick overview of Ka and pKa. See an example of calculating the pH of a weak acid solution. [9:31]
Khan Academy
Khan Academy: Solubility and Solubility Product Constant
Introduction to solubility and solubility constant with an example of solubility calculation. [11:45]
Khan Academy
Khan Academy: Solubility From the Solubility Product Constant
An explanation of calculating solubility. [9:28]
Khan Academy
Khan Academy: Chemistry: Spectrophotometry Introduction
A video lecture describing how spectrophotometry works in terms of absorbance and transmittance. All terms are defined using examples and detailed explanations. Also explored is how the Beer-Lambert law can be applied to find an unknown...
Khan Academy
Khan Academy: Chemistry: Spectrophotometry Example
Using Beer-Lambert law, the video lecturer solves for an unknown concentration based on the absorbance. Also solved for is the constant in the formula for Beer-Lambert law. [12:42]
Khan Academy
Khan Academy: Molarity, Molality, Osmolarity, Osmolality, and Tonicity
See how each of these terms tells us something different about a solution. [4:04]
Khan Academy
Khan Academy: 2015 Ap Chemistry Free Response 3b
Calculate the concentration of weak base using information about equivalence point in a titration. This example is from the 2015 AP Chemistry free response question 3b. [6:16]
Khan Academy
Khan Academy: 2015 Ap Chemistry Free Response 3f
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]
Khan Academy
Khan Academy: Molarity, Molality, Osmolarity, Osmolality, Tonicity Differences
See how each of these terms (molarity, molality, osmolarity, osmolality, tonicity) tells us something different about a solution in the Khan Academy video. [4:03]
Khan Academy
Khan Academy: 2015 Ap Chemistry Free Response 4
The video reviews over a free response from an AP exam where students were asked to calculate the molar solubility of calcium hydroxide in a 0.10 M calcium nitrate solution [9:19]
Khan Academy
Khan Academy: Tonicity Comparing 2 Solutions
Find out how tonicity is determined by ions that don't move across membranes and how it affects the movement of water. [11:03]
Khan Academy
Khan Academy: What Is an Equivalent?
Figure out how to calculate an equivalent and how it relates to a mole. Rishi is a pediatric infectious disease physician and works at Khan Academy. [10:18]
Khan Academy
Khan Academy: Units for Common Medical Lab Values
This video explains how to understand and interpret the units in common medical labs including the CBC, Chem 10, and LFTs. [11:23]