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problems on chemical equations.

In dilute nitric acid, copper metal dissolves to form aqueous cupric nitrate, nitrogen monoxide gas, and water.

i. prepare a balanced equation for this reaction. Include the states of matter for each compound.

ii. How many grams of nitric acid are required to dissolve 61.4593g of solid copper?

iii. If in the presence of excess nitric acid, 9.902 x 10^12 molecules of nitrogen monoxide are released, how many grams of copper metal did you start with?

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