Number of particles in one mole of any substance is 6.023 x 1023
1. If a compound or molecular substance is taken, like CO2, N2 etc, then 1
mole of the substance contains Avogadro number of molecules. 1 mole contains the mass equal to molecular weight of substance.
2. If a element is taken like C, S, Fe, then 1 mole contains Avogadro
number of atoms. 1 mole contains the mass equal to atomic weight of substance.
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