Question

What is mole number? How to calculate it?

Answer 1

A mole of a defined substance is defined as the mass of that substance containing the same number of fundamental units just like atoms in 12.0 g of12C. These fundamental units can be atoms, molecules, or formula units based on the substance. It represents the number of chemical elements.One mole of any substance is equal to the Avogadro number whose value is 6.023 x 1023. It can be used to measure the products in a chemical reaction. The unit is defined denoted by mol.

The number of moles formula is given by


number of Moles=mass of substance/mass of one mole

Answer 2

The relative formula mass of a compound is calculated by adding together the relative atomic mass values for all the atoms in its formula.Moles are units used to measure substance amount.