CMM! A must have for chemists and chemistry students! This application calculate for you the molar mass of a chemical compound. You also get a periodic table keyboard. Just enter your formula in the first text field and click the "Calculate" Here are some examples: CH3COOH (NH4)3PO4 CuSO4.5H2O C6H12O6 You can also save your recurring formulas in a dedicated page.