Chemistry Tools

Some useful tools in chemistry to save your time
The Periodic Table

Click on an element to get its properties

Make a chemical compound

Make a compound and get details about its molar mass, percentage composition by mass, and stoichiometry. The compound can be writ...

Empirical Formulae by Percentage Composition

Get the empirical formula given the percentage compositions of all elements in the compound.

Combustion Analysis

Get the empirical formula of a hydrocarbon given the grams of CO2 and grams of H2O formed from its combustion.

Analyze Chemical Reaction

Analyze the reaction of a chemical formula


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