Posted by Cynthia on Wednesday, February 29, 2012 at 7:21pm.
Skeleton equation
Al ==> KAl(SO4)2.12H2O
mols Al = 5g/atomic mass Al
mols KAl(SO4)2.12H2O moles Al.
g KAl(SO4)2.12H2O = moles x molar mass. This is the theoretical yield.
%yield = (75/theoretical yield)*100= ?
(75/87.7848)*100=85.4362%
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