High school1/4 lessons published
Amount of substance and solutions
The mole, molar mass, molar concentration, dilutions. Stoichiometry — what makes chemistry quantitative.
- Lesson 0110 min
Mole and molar mass
Avogadro's constant, defining the mole, computing molar masses. The n = m/M relation.
- Lesson 029 minComing soon
Molar concentration
C = n/V. Preparing a solution of given concentration from a solid or by dilution.
- Lesson 038 minComing soon
Dilutions and dilution factor
C₁V₁ = C₂V₂. Dilution factor, serial dilutions, experimental verification.
- Lesson 0412 minComing soon
Stoichiometry
Reaction progress table, limiting reactant, yield. Mass and volume calculations from a balanced equation.