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2014-10-14T19:35:04+08:00

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Avogadro's number- number of particles in 1 mole of a substance. It is a large number that is equal to 6.02 10^{23} particles
Mole- sl unit to express the amount of a substance
Molar mass- the mass of one mole of a substance
Percentage composition- the percentage by mass of each element in a compound

--Mizu

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