Question

please explain mole concept and how to find moles and molar mass of a substance ?

Answer 1

Counting unit of a particle is called mole.A mole is the amount of substance which contains -the same number of units as the number of atoms in 12.000gram of carbon-12 [6C12] or 1.0000gram of hydrogen-1 [1H1].

mole=weight in gram of given substance / Gram Molecular weight

Gram Molecular weight = Weight in gram of given substance / Mole