C2H5OH+O2->CH3COH+H2O
V(O2)-?
a)n(этанол)=0,6 моль
m(C2H5OH)=nM
m=0.6*46=27.6g
46g/mol...27.6g
32g/mol...xg
x(O2)=19.2g
n(O2)=m/M
n=19.2/32=0.6 mol
V=nVo
V(O2)=0.6mol*22.4l/mol=13.44l
b)m(C2H5OH)=43.7g
V(O2)-?
n(C2H5OH)=43.7/46=0.95mol
n(спирта)=n(O2)=0.95mol
V=nVo
V(O2)=0.95mol*22.4l/mol=21.28l