explain with examples what I
is meant by a 'mole' of a substance.
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mole is the amount of substance
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hello....
A mole corresponds to the mass of a substance that contains 6.023 x 1023 particles of the substance. The mole is the SI unit for the amount of a substance. Its symbol is mol. By definition: 1 mol of carbon-12 has a mass of 12 grams and contains 6.022140857 x 1023 of carbon atoms....
Mole=given weight of substance in gm /atomic mass
ex: 2 g H2O
molecular mass=18
given weight =2
mole = 2/18
= 1/9
= 0.1 mol
hope it helps...
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