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This document is highly rated by neet students and has been viewed 74 times. For example, when the mass of a ball is measured to be 2 kilograms, the magnitude is 2 and the unit is kilogram. Mole concept a mole is the amount of a substance that contains as many elementary entities atoms, molecules or other particles as there are atoms in exactly 0. Read online mole concept chemistry puzzles answers numerical based on mole.
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