Asked by thomas richards

theoretical percent sulfate in AlK(SO4)2*H2O
Answered by bobpursley
Find the total molecular mass of it
one Al, one K, two S, eight O, and one H2O


divide that sum (the mole mass) into the mass of two SO4 ions.
Answered by DrBob222
(2xmolarmass SO4/molar mass AlK(SO4)2.H2O)*100.

Let me point out that alum is AlK(SO4)2.12H2O. I don't know if your problem is real or a typo. Just look at it to see.
Answered by thomas richards
so it would be like 96.06g/258.33g?
Answered by thomas richards
no it would be 192.14/258.33?
Answered by DrBob222
The 192.14 is ok but I think you omitted the water in the 258. I think that is supposed to be something like 276 or so. Check it out.
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