When solutions of Ba(OH)2 and FeSO4 are mixed, there are how many precipitation reactions?
b.1
c.2
d.3
Answer:
The answer is c.2
Ba(OH)2 (aq) + FeSO4 (aq) >> BaSO4 (s) + Fe(OH)2 (s)
BaSO4 and Fe(OH)2 are slightly soluble salts
in fact Ksp of Fe(OH)2 = 8.0 x 10^-16
and Ksp of BaSO4 = 1.1 x10^-10
@ papilio paris :
Sorry but this was not your answer . You have corrected it .
You said that Fe(OH)2 was soluble.
I thing that this is not correct
2.
Ba(OH)2(aq) + FeSO4(aq) --> BaSO4(s) + Fe(OH)2(s)
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