Basics
What Is a Stock Solution?
What a stock solution is, how it differs from a working solution, and how to calculate the volume needed to dilute it.
What a stock solution is, how it differs from a working solution, and how to calculate the volume needed to dilute it.
How to calculate w/v, v/v, and w/w percent solutions, plus how to dilute an existing percent solution accurately.
Why molarity is only one specific type of concentration, and how to convert between molarity and mass-based concentration units.
What each term in C1V1 = C2V2 means, why the equation works, and how to rearrange it to solve for volume or concentration.
A clear explanation of dilution factor with worked examples, including the common mix-up between dilution factor and diluent volume.
A plain-language breakdown of what serial dilution is, why labs use it, and how the dilution factor compounds across each step.