Chemistry

Question Analysis
This question involves empirical formula calculation from combustion analysis data.
The main focus is on deriving the masses of C and H from the masses of CO₂ and H₂O, then converting to mole ratios.

Key Concept Explanation
Combustion Analysis: All C in the hydrocarbon converts to CO₂, and all H converts to H₂O.
Use molar masses to find moles of C (from CO₂) and moles of H (from H₂O), then simplify the ratio.

Step-by-Step Solution
1. Calculate moles of C from CO₂:
Molar mass of CO₂ = 44 g/mol
Moles of CO₂ = 30.2 g / 44 g/mol ≈ 0.686 mol → Moles of C = 0.686 mol
2. Calculate moles of H from H₂O:
Molar mass of H₂O = 18 g/mol
Moles of H₂O = 13.7 g / 1...