\(a,n_{CO_2}=\dfrac{5,6}{22,4}=0,25\left(mol\right)\\ m_{CO_2}=0,25\cdot44=11\left(g\right)\\ b,n_{NH_3}=\dfrac{10,08}{22,4}=0,45\left(mol\right)\\ m_{NH_3}=0,45\cdot17=7,65\left(g\right)\\ c,n_{NO_2}=\dfrac{16,8}{22,4}=0,75\left(mol\right)\\ m_{NO_2}=0,75\cdot46=34,5\left(g\right)\)