Sample Problem 4.8
(continued)
loses 6e-
gains 2e- per O; need 3/2 O2 to make 3O2-
3/2
Multiply by 2 to give whole number coefficients.
Cu(s) + 4HNO3(aq) Cu(NO3)2(aq) + 2NO2(g) + H2O(l)
Cu(s) + 4HNO3(aq) Cu(NO3)2(aq) + 2NO2(g) + 2H2O(l)
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