Gchem Help

[Mamona]

ok, I don't know which chapter to read to remember this. I am having problems remeber how to deal with dissociation like this one (I know easy!!! but I can't do it...)

Mg(OH)2 (s) ↔ Mg2+(aq) + 2OH- (aq)
Why is Mg2+ and 2OH- I can't remember the rules to follow and I don't know which chapter to look to refresh my memory....

Thanks in advance

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[doc toothache]

ok, I don't know which chapter to read to remember this. I am having problems remeber how to deal with dissociation like this one (I know easy!!! but I can't do it...)

Mg(OH)2 (s) ↔ Mg2+(aq) + 2OH- (aq)
Why is Mg2+ and 2OH- I can't remember the rules to follow and I don't know which chapter to look to refresh my memory....

Thanks in advance

Maybe it is time to review the basics. Any gc textbook should have the info you need.