Xg 3.31g
C6H5OH+3Br2=C6H2Br3OH+3HBr
89g 331g
x=89*3.31/331=0.89g
w(C6H5OH)=0.89/400*100%=0.2%
Xg 3.31g
C6H5OH+3Br2=C6H2Br3OH+3HBr
89g 331g
x=89*3.31/331=0.89g
w(C6H5OH)=0.89/400*100%=0.2%