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ABG: Moles equations


Relative atomic mass (Ar)

Ar= (mass Nr. isotope 1 X % isotope 1) + (mass Nr. isotope 2 x % isotope 2) +
.......
% isotope 1 + % isotope 2 +.......


Masses and moles




Moles = mass in g Mass = moles x Mr Mr =…

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Volume = Moles x 24 Moles of gas = Volume (dm3)
of gas (dm3) 24

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