molar mass Archives - PhysicsTeacher.in

Molar Mass – concepts and formula

The mass of one mole of a substance in grams is called its molar mass. The molar mass in grams is numerically equal to atomic/molecular/formula mass in u. The molar mass of water = 18.02 g mol-1The molar mass of sodium chloride = 58.5 g mol-1 Molar mass is the mass of a single mole. […]

Any Difference between mole and molecule? |Any difference between mol or mole?

By Anupam M

While studying the chapter on gas laws you must have come across the term ‘mole’ or ‘mol‘. You may have seen gram-mol as well in that chapter. I find many students confused with mole (or mol) and molecule. Here we will discuss and explain the concept of mole or mol with some examples. 1> In […]