Consider the following reaction occurring at pH 2.50. Cu(s) + NO3?(aq) ? Cu2+(aq

Question

Consider the following reaction occurring at pH 2.50.

Cu(s) + NO3?(aq) ? Cu2+(aq) + NO2(g)

Which of the following correctly characterizes the balanced equation?

a. The reaction involves twice the number of NO3?(aq) as Cu(s) and requires only H2O(l) to complete the mass and charge balance.
b. There will be two H2O(l) in the products and four H+(aq) in the reactants.
c. There will be two H2O(l) in the reactants and four OH?(aq) in the products.
d. The reaction ratio of Cu(s) to NO3? (aq) is 2:1, respectively.

Explanation / Answer

b. There will be two H2O(l) in the products and four H+(aq) in the reactants. THIS IS CORRECT DEAR

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