Molar Mass

Work out the molar mass of any chemical formula, with a per-element breakdown of atom count, mass, and mass percent. Handles parentheses and hydrate dot notation like CuSO4·5H2O, and includes a clickable periodic table.

18.015 g/mol

Element Atoms Mass (g/mol) Mass %
H Hydrogen 2 2.016 11.19%
O Oxygen 1 15.999 88.81%
Periodic table (click to insert)