1:1:1
因为NH3和HCl全部溶解
c==n/v==n/(Vm*n)==1/Vm==1/22.4
而3NO2+H2O==2HNO3+NO
c=(2n/3)/(2v/3)==n/v==n/(Vm*n)==1/Vm==1/22.4
所以浓度都一样