C2H5OH+Na--> C2H5ONa +1/2H2 (1)
C6H5OH+Na-->C6H5ONa+1/2H2 (2)
C6H5OH+ 3Br2-->C6H2OHBr3+ 3HBr
nC6H2OHBr3=66,2/331=0,2----->nC6H5OH=0,2
nH2=6,72/22,4=0,3
-->nH2(1)=0,3-02=0,1
mhh=0,1*46+0,2*94=23,4
%mC2H5OH=(0,1*46*100)/23,4=19,66%
%mC6H5OH=(0,2*94*100)/23,4=80,34%
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