Mr=100+80=180g
w=80/180=0.44 или 44%
CH3NH3I +KOH (водный) = <span>CH3NH3OH+KI </span>
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
<span>CH2=CH-CH3 + CH3OH --(H+)--> (CH3)2CH-O-CH3
m(спирта)=16г</span>