M(C2H5O) = 12×2+6+16= 46
Объяснение:
w(C)=(24/46)×100%=52.2%
w(H)=(6/46)×100%=13%
w(O)=(16/46)×100%=34.8%
M(C2H5O) = 12×2+6+16= 46
Объяснение:
w(C)=(24/46)×100%=52.2%
w(H)=(6/46)×100%=13%
w(O)=(16/46)×100%=34.8%