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what are the oxidation numbers for the following elementsPLEASE EXPLAIN a) N in

ID: 76745 • Letter: W

Question

what are the oxidation numbers for the following elementsPLEASE EXPLAIN a) N in NH4+---------------- b) P in HPO32----------------- PLEASE BALANCE THIS EQUATION FOR ME (CrO7) 2- + Sn2+ arrow Cr3+   +Sn4+ ( in acid} what are the oxidation numbers for the following elementsPLEASE EXPLAIN a) N in NH4+---------------- b) P in HPO32----------------- PLEASE BALANCE THIS EQUATION FOR ME (CrO7) 2- + Sn2+ arrow Cr3+   +Sn4+ ( in acid} PLEASE BALANCE THIS EQUATION FOR ME (CrO7) 2- + Sn2+ arrow Cr3+   +Sn4+ ( in acid}

Explanation / Answer

a) NH4+ has overall charge of +1. H has a charge of +1. There are 4 of them. So 4*(+1) = +4 N needs -3 so that -3 + 4 = +1 overall b) H has +1 O has -2. There are 3 O, so -6 -6 + 1 + charge on P = -2 (the overall charge -5 + charge on P = -2 charge on P = +3