GENERAL KNOWLEDGE

Detailed explanation-1: -The number of atoms in a mole of any pure substance is called Avogadro’s number (6.02 x 1023).

Detailed explanation-2: -It represents the number of atoms in one gram atom of an element or the number of molecules in one gram mole of a compound. If we divide the atomic mass of an element by actual mass of its atom, the value is 6.022×1023.

Detailed explanation-3: -1 mole of H2SO4 contains 2 moles of hydrogen atoms, 1 mole of sulphur atoms and 4 moles of oxygen atoms.

Detailed explanation-4: -You can also say one mole of sulfuric acid has two moles of hydrogen atoms, 1 mol of sulfur atoms, and 4 moles of oxygen atoms.