Question

O arena mononucleara A are raportul atomic C : H = 4 : 5. Determinati formula moleculara a substantei A.

Answer 1

Fromula moleculară a arenei A: CₓH₂ₓ₋₆
Raportul atomic C:H = 4:5
$\frac{4}{5}=\frac{n}{2n-6} \\ \\ 8n-24=5n \\ 3n=24 \\ n=8$
⇒ F.M.: C₈H₁₀