D(H₂)=36
M(CnH2n+2)=D(H₂)xM(H₂)=36x2г./моль=72г./моль
CnH2n+2=72
12n+2n +2=72
14n=72-2
n=70÷14=5
C₅H₁₂
Mr(C₅H₁₂)=12x5+12=60+12=72
ω(C)=60÷72=0,833 ω%(C)=ω(C)×100%=0,833×100%=83,3%
D(H₂)=36
M(CnH2n+2)=D(H₂)xM(H₂)=36x2г./моль=72г./моль
CnH2n+2=72
12n+2n +2=72
14n=72-2
n=70÷14=5
C₅H₁₂
Mr(C₅H₁₂)=12x5+12=60+12=72
ω(C)=60÷72=0,833 ω%(C)=ω(C)×100%=0,833×100%=83,3%