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OpenStudy (anonymous):
Al2(SO4)3 What is the oxidation number of the positively charge ion AND the negatively charged ion
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OpenStudy (aaronq):
what charge does the polyatomic ion, SO4, carry?
OpenStudy (anonymous):
is it -2?
OpenStudy (aaronq):
yes it is, so to balance the charges whats the oxidation/charge on Al
OpenStudy (anonymous):
+3 ?
OpenStudy (anonymous):
What do you mean by balance
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OpenStudy (aaronq):
3 is right by balance i mean cancel out the charges because the compound is neutral
OpenStudy (anonymous):
Then what?
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