Khan Academy
Khan Academy: Chemistry: Stoichiometry of a Reaction in Solution
A video lecture investigating how to solve problems using stoichiometry. The lecture shows viewers step-by-step how to solve for the mass needed of a substance in order for it to completely react with a solution. [10:18]
Khan Academy
Khan Academy: Molarity vs. Osmolarity
Learn about osmoles and figure out how to calculate osmolarity really easily with this video lecture. Video describes how these calculations are used in a medical lab setting. [11:32]
Khan Academy
Khan Academy: Lab Values and Concentrations: Molarity vs. Molality
Learn the difference between molarity and molality differ. Rishi is a pediatric infectious disease physician and works at Khan Academy. [8:00]
Khan Academy
Khan Academy: Calculate Your Own Osmolarity
Learn how to use three lab values (Sodium, glucose, and BUN) to approximate your plasma osmolarity. Rishi is a pediatric infectious disease physician and works at Khan Academy. [12:57]
Khan Academy
Khan Academy: Titration Calculation Example
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]
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]