Asked by kelly

what is the experimental percent of sulfate in alum?
Answered by DrBob222
There are several alums; the one most people mean when they speak of "alum" is potassium aluminum sulfate with the formula of KAl(SO4)2.12H2O
%sulfate = (molar mass SO4/molar mass KAl(SO4)2.12H2O)*100 = ??
Answered by Duck
That sounds about right...
Answered by Max
Should be 2x sulfate for the numerator because alum has a subscript of 2 for sulfate.
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