Пусть m(b-bu)=100гр
m(C)=85.71 V=85.71/12=7,1425
m(H)=14.29 V=14.29/1=14.29
v(c):v(H)=1:2=CnH2n
pv=m×RT/14=>M=mrt/pv=42×0.082×(12×1+273)/5×3.28=84
M(CnH2n)=n×12+2n×1=86
14n=84
n=6
ответ:C6H12
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Пусть m(b-bu)=100гр
m(C)=85.71 V=85.71/12=7,1425
m(H)=14.29 V=14.29/1=14.29
v(c):v(H)=1:2=CnH2n
pv=m×RT/14=>M=mrt/pv=42×0.082×(12×1+273)/5×3.28=84
M(CnH2n)=n×12+2n×1=86
14n=84
n=6
ответ:C6H12