Chemistry › Section C · Composition of substances and solutions › Topic C.1
Formula mass and the mole
Atoms are far too small to count one by one, yet every recipe in chemistry is written in numbers of particles. Formula masses and the mole let you count atoms and molecules simply by weighing them.
In this topic
- Counting by weighing
- Formula mass of a molecule
- Formula mass of an ionic compound
- The mole and the Avogadro constant
- Molar mass: the bridge to grams
- The conversion map
- Worked example: molecules in a sample
- Worked example: from moles to grams
- The mass of a single particle
- Common mistakes to avoid
- Key takeaways
This topic is part of Wuanberri Pro. Checking your access…