a,\(n_{Na}=\dfrac{2,3}{23}=0,1\left(mol\right);n_{CaO}=\dfrac{5,6}{56}=0,1\left(mol\right);n_{H_2SO_4}=\dfrac{4,9}{98}=0,05\left(mol\right)\)
b,\(n_{H_2}=\dfrac{3,36}{22,4}=0,15\left(mol\right);n_{N_2}=\dfrac{10,08}{22,4}=0,45\left(mol\right);n_{O_2}=\dfrac{1,12}{22,4}=0,05\left(mol\right)\)