3. When heated, some nitrites melt without decomposition, others decompose to oxides, and still others to free metals. What nitrites belong to the first, second and third groups? Write the reaction equations for the decomposition of one nitrite from these groups and determine the masses of each of them required to obtain 10 liters of gaseous product (n.o.) in each reaction.

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.