\(n_{CO_2}=\dfrac{22}{44}=0,5\left(mol\right)\)
\(n_{H_2O}=\dfrac{10,8}{18}=0,6\left(mol\right)\)
Có nCO2 < nH2O
=> B là ankan
CTHH: CnH2n+2
\(n_{O_2}=\dfrac{4,8}{32}=0,15\left(mol\right)=>M_B=\dfrac{10,8}{0,15}=72\left(g/mol\right)\)
=> 12.n + 1.(2n+2) = 72
=> n = 5
CTHH: C5H12