Which formula can represent both the empirical formula and the molecular formula of a stable compound?
C4H10\text{C}_4\text{H}_{10}C4H10
C2H5\text{C}_2\text{H}_5C2H5
C6H6\text{C}_6\text{H}_6C6H6
C3H8\text{C}_3\text{H}_8C3H8