Solid copper reduces nitrate ions to neutral NO in an aqueous nitric acid solution. 5g of solid copper exactly reduces 300 mL of nitric acid of unknown concentration. The resulting oxidation state of the copper is .
(6) Write the general equation for the reaction.
From the information given in the problem, solid copper and nitrate ions are the reactants. One of the products is neutral NO. The other product is Cu . This reaction takes the general form