Copper metal reacts with nitric acid to form NO(g) as shown in the unbalanced reaction shown below. When the reaction is balanced using lowest whole number coefficients, what is the coefficient of H⁺(aq)?
Cu(s) + H⁺(aq) + NO₃ –(aq) ® Cu²⁺(aq) + NO(g) + H₂O(l)

Question

Copper metal reacts with nitric acid to form NO(g) as  shown in the unbalanced reaction shown below. When the reaction is balanced  using lowest whole number coefficients, what is the coefficient of  H+(aq)?
Cu(s) + H+(aq) + NO3 –(aq) ® Cu2+(aq) + NO(g) + H2O(l)

Accepted Answer

Correct answer: D.

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