define and explain Mole.?
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Mole is the measurement in chemistry. ... One mole is defined as the amount of substance of a system which contains as many entities like, atoms, molecules and ions as there are atoms in 12 grams of carbon - 12". Avogadro number: The number of the particles present in one mole of any substance = 6.022x10 23.
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Chemists measure the amount of a substance in a unit called 'the mole'. This is a convenient way of counting atoms . One mole is the Avogadro number of particles (atoms, molecules , ions or electrons ) in a substance.
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