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Samba
Answers (2)
P has a positive charge. It's fine I got it. Still, the answer hasn't been posted yet.
All compounds are zero. Al is in group III (or 13 depending onh the system used) so the oxidation state is 3. You have 12 O at -2 each for -24. That leaves -24+3 = -21. So 3 Cl atoms must be +21 to balance the -21 there which makes +21/3 or +7 for each Cl.
