3FeO + 10HNO3 = 3Fe(NO3)3 + NO + 5H2O
Fe(+2)O(-2) + H(+)N(+5)O(-2) = Fe(+3)N(+5)O(-2) + N(+2)O(-2) + H(+)O(-2)
Fe(+2) -1e = Fe(+3) 3
N(+5) +3e = N(+2) 1
3FeO + 10HNO3 = 3Fe(NO3)3 + NO + 5H2O
Fe(+2)O(-2) + H(+)N(+5)O(-2) = Fe(+3)N(+5)O(-2) + N(+2)O(-2) + H(+)O(-2)
Fe(+2) -1e = Fe(+3) 3
N(+5) +3e = N(+2) 1