Question

Which substance has a coefficient of 2 when you balance the equation for this redox reaction? Cu(s) + HNO3(aq) → Cu(NO3)2(aq) + NO(g) + H2O(l)

Answer 1

Answer:

Cu(s) + 4HNO3(aq) -------------> Cu(NO3)2(aq) + 2NO2(G) + 2H2O(l)

The substance water and nitrogen dioxide will have coefficient of 2