C2H5OH+H2SO4+KBr=C2H5Br+KHSO4+H2O
n(KBr)=m/M=5/119.002=0.042 моль
m теоретическая (C2H5Br)=n*M=0.042*46=1.9 г
Выход=mпрактическая*100%/m теоретическая=1.5*100%/1.9=78.9%
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C2H5OH+H2SO4+KBr=C2H5Br+KHSO4+H2O
n(KBr)=m/M=5/119.002=0.042 моль
m теоретическая (C2H5Br)=n*M=0.042*46=1.9 г
Выход=mпрактическая*100%/m теоретическая=1.5*100%/1.9=78.9%