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Mole concept

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Question
Answer
Mole   The amount of substance that contains 6 x 10 superscript 23 (Avogadro's constant) particles of that substance.  
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Molar mass   Mass of 1 mole of a substance in grams.  
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Relative atomic /molecular /formula mass   Average mass of one atom, molecule or formula compared with one-twelfth the mass of a carbon-12 isotope. Relative masses are unitless.  
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Avogadro's law   States that equal volumes of all gases, under the same conditions of temperature and pressure, contain the same number of molecules.  
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Mass of a compound   Relative Molecular mass x no. of moles  
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Mass of an element   Relative Atomic mass x no. of moles  
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Avogadros Number   One mole of a compound contains 6 x 10^23 particles of that substance  
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