Решение задачи по химии раздел 9 пункт 7

7. Copper weighing 12.8 g was dissolved in an excess of concentrated nitric acid. The separated gas is passed through a solution containing 18 g of sodium hydroxide. Any salts formed in the solution? Calculate the amount of the substance of each salt.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)