Atomic weight of aluminium is 27. Calculate the equivalent
mass of AI?
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Equivalent mass that also can said as equivalent weight.
It is calculated by calculating molar mass of the compound divided by the number of H atom or OH group are present in it .Like in H2SO4 sulfuric acid has molar mass of 98.078 g per mole and supplies two moles of hydrogen ions per mole of sulfuric acid , so its equivalent weight is 98.078divided by 2 and equal to 49.039 grams per mole .
1 mole of AL(OH)3 = 78grams.
1 equivalent AL(OH)3 =26 GRAMS
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