44,8л-----------х=218гр
C2H6+Br2=C2H5Br+HBr
22,4л------------109гр
х=(44,8×109)÷22,4=218гр
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44,8л-----------х=218гр
C2H6+Br2=C2H5Br+HBr
22,4л------------109гр
х=(44,8×109)÷22,4=218гр