Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol. Weights of atoms and isotopes are from NIST article . Give us feedback about your experience with Molecular Weight Calculator. Inhibition of homogenous formation of calcium carbonate by poly (acrylic acid). The effect of molar mass and end-group functionality Author links open overlay panel Ali A. Al-Hamzah a b Christopher P. East c William O.S. Doherty c Christopher M. Fellows a

Finding Molar Mass Moles and Molar Mass The mole is the "counting unit" used by chemists to indicate the number of atoms, ions, molecules, or formula units present in a particular chemical sample.