Molar Mass Calculator



Molar Mass Calculator

This practical tool is going to be your most valuable helper with many stoichiometric chemical reactions where molar mass is of importance. No more time-consuming searches through tables and error-prone manual calculations! What is the exact molar mass of C28H18N3NaO6S2 (-> 579,5788 g/mol) or K4[Fe(CN)6] * 3H2O (-> 422,3884 g/mol)? What is the percent composition of the elements? Because the calculations are based on the latest atomic mass data from IUPAC and NIST, you get the most accurate values possible.

See for yourself: Molar Mass Calculator