Asked by Cynthia
Calculate the percent yield of alum if you obtained 75.0 g of potassium alum from 5.00 g Al.
Answers
Answered by
DrBob222
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= ?
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= ?
Answered by
Ngoc
(75/87.7848)*100=85.4362%
Answered by
Ngoc Tu Sins
Just use the formula from "DaDood FrumCheers" Theorem which is N=Pv(Pv2)/T.
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