what is the molar mass of a substance?\n the mass in grams of one mole of a substance\n the number of…

what is the molar mass of a substance?\n the mass in grams of one mole of a substance\n the number of particles in one gram of a substance\n the number of moles in one gram of a substance\n the mass in grams of one particle of a substance
Answer
Answer:
A. the mass in grams of one mole of a substance
Brief Explanations:
Molar mass is defined as the mass of one - mole of a substance, expressed in grams per mole. It is calculated by summing the atomic masses of all atoms in a compound's formula or the atomic mass for an element.