CH4+2O2=2H2O+CO2
n(O2)=V/Vm=0.0672/22.4=0.003моль
m(O2)=n*M=0.003*32=0.096г
m(O3)=m(O2)/5=0.096/5=0.0192г
n(O3)=m/M=0.0192/48=0.0004моль
n(смеси)=n(O2)+n(O3)=0.003+0.0004=0.0034моль
n(CH4)=n(смеси)*1/2=0.0017моль
m(CH4)=n*M=0.0017*16=0.0272г
30г(30%) 30г(30%) N-?
HCI + NaOH = NaCI+H2O n(HCI)=30*0.3/36.5=0.25 моль
40 18 n(NaOH)=30*0.3/40=0.225моль
m(H2O)= (30*0.3)*18/40=4.05г
n(H2O)= 4.05/18=0.225 N=Nₐ *n =6.02*10²³ *0.225=1.354 *10²³
Vл-------------25.6 г
H2 + CuO = Cu + H2O.
22.4 л------ 64 г
V/22.4=25.6/64
V=22/4*25.6/64=8.96 л H2
H2SO4 + 2Na = Na2SO4 + H2
2H2 + O2 = 2H2O
H2O + CaO = Ca(OH)2