m(C2H6)=60г.
m(Br2)=?
Розв"язаня:
60 X
C2H6+Br2------>C2H5Br+HBr
Mr(C2H6).................................
Mr(Br2).....................................
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m(C2H6)=60г.
m(Br2)=?
Розв"язаня:
60 X
C2H6+Br2------>C2H5Br+HBr
Mr(C2H6).................................
Mr(Br2).....................................
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Answers & Comments
Ню(C2H6)=m/M=60/30=2моль М=12*2+6*1=30
m=ню*M=2*160=320g M=80*2=160