AQA A-Level Chemistry - Moles, Concentration, % Yield and atom economy | 3.1.2 Video 1/2 | SEA

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00:00, Intro
00:15, Ar / Mr Definitions
00:52, The Mole
3:11, Concentration
4:54, Calculating Concentration EQ
6:23, Dealing with chemical equations
9:40, Titration Calculation
12:01, % Yield
14:01, Atom Economy
14:35, Outro

This is the first video from the calculations and amount of substance topic from the AQA A-Level chemistry specification. This video includes Avogadros number and a true beginners introduction to the mole and Stoichiometry. We then do some calculations involving concentration and molar ratios to a fairly advanced level for the A-Level. After that we brush past % Yield and Atom Economy and conclude setting up the next video nicely which includes the ideal gas equation and the empirical formula.

Script: Sam Ellis
Presenter: Sam Ellis
Edited: Sam Ellis

Sam Ellis 2022
  1. SEA - Chemistry
  2. Revision
  3. A* A Level chemistry
  4. How to get an A* in A-Level Chemistry
  5. How to get A in a level chem
  6. A Level chem revision
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Website is in the works - Thanks for being patient!

seachemistry
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You know you can write M instead of mol/dm³, they are the same. 1 M = 1 mol Solute /L solution and 1 L = 1 dm³ so you could just write 1 mol solute/dm³ solution as 1 M. M is the unit of molarity which is the type of concentration you are talking about.
You should also mention the Molarity, that has units of M, is not the only type of concentration. There are other concentrations like Mole fraction and percent by mass

Josama
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Do u have a patreon. It would help u and us greatly as u would get an income and help teach us

itsthatasian