How to read a chemical formula
A formula is a compact inventory of the atoms in a substance. Reading it correctly is the first step toward calculating quantities.
Read guide ↗SMALL PARTICLES. BIG IDEAS.
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Explore the numbers behind matter. Start with a formula, test an idea, and build a clearer picture of the molecular world.
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THE INTERACTIVE DESK
Chemistry / TOOL 01
Molar mass calculator
Enter a chemical formula such as H2O, Ca(OH)2 or Al2(SO4)3. Case matters. No hydrates, charges or isotopes.
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A little understanding goes a long way.
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Moles connect particles to mass
The mole lets chemists describe enormous numbers of particles using practical amounts of material.
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