Question : What is the mass of one mole of a substance in grams is called?
Option 1: Nuclear mass
Option 2: Atomic mass
Option 3: Molar mass
Option 4: Molecular mass
Correct Answer: Molar mass
Solution : The correct option is Molar mass
Molar mass is measured in grams per mole (g/mol) and reflects the mass of one mole of that substance's entities (atoms, molecules, and ions). It is a crucial concept in chemistry for various calculations , such as measuring the mass or number of moles of a specific amount of a substance. It is quantitatively equal to the material's molecular or atomic weight. One mole of a particular substance has a fixed mass. Wilhelm Ostwald first used the term "mole."
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