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Balance the following redox reaction under acidic conditionsv H2O2 (aq) + NH+(aq)........NO3- (aq)

Balance the following redox reaction under acidic conditionsv H2O2 (aq) + NH+(aq)........NO3- (aq)

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Answer #1

H2O2 (aq) + NH+(aq)........NO3- (aq)

split in half cells

H2O2 --> H2O

NH+ --> NO3-

balance O

H2O2 --> 2H2O

3H2O + NH+ --> NO3-

Balance H+

2H+ + H2O2 --> 2H2O

3H2O + NH+ --> NO3- + 7H+

balance charges

2e- + 2H+ + H2O2 --> 2H2O

3H2O + NH+ --> NO3- + 7H+ + 7e-

balance e-

14e- + 14H+ + 7H2O2 --> 14H2O

6H2O + 2NH+ --> 2NO3- + 14H+ + 14e-

add all

6H2O + 2NH+ + 14e- + 14H+ + 7H2O2 --> 2NO3- + 14H+ + 14e- + 14H2O

cancel common terms

2NH+ + 7H2O2 --> 2NO3- + 8H2O

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