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 Mole is defined as one mole of any species ( atom,molecules or any other particles) is the quantity of number having a mass equal to its atomic or molecular mass in grams . 1 mole = 6.022 * 10²³
Mass of one mole is expressed in grams ad is known as gram atomic mass.
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In chemistry , Mole is the number of particles present in 1 mole of any substance is fixed with a value of 6.022×10 ^ 22. This is an experimentally Avagadro constant or Avagadro number named in honour of italian scientist "AMENDEO AVOGADRO ". 1 mole ( of anything ) = 6.022 × 10 ^ 22. The mass of one mole of a substance is equal to its relative atomic or molecular mass in grams.
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