4. What is the molecular formula of a hydrocarbon containing 84.6% carbon by mass with a molar mass
問題詳情
4. What is the molecular formula of a hydrocarbon containing 84.6% carbon by mass with a molar mass of 142.3 g mol −1? (A) C20H44 (B) C11H10 (C) C10H22 (D) C5H11