How do you Calculate the Molar Mass of a Substance?Molar mass of a substance is the mass of one mole of the substance in grams. It has a unit of grams per mole (g mol-1). One mole of any substance contains 6.02 × 1023 particles. Therefore, the molar mass of a substance contains 6.02 × 1023 particles of the substance. The molar mass of any substance is numerically … [Read more...] about How do you Calculate the Molar Mass of a Substance?