A chemistry problem by Juliano Filho

Chemistry Level pending

(BELARUS) An unknown aromatic hydrocarbon Х Х is 89.49% carbon by mass. It is known that the vapor density of X X at 1 atm 1\text{ atm} and 2 5 C 25^\circ C does not exceed 10 g/L 10\text{ g/L} . Determine the molecular formula of X X . Type as follows: CXHY- XY


The answer is 1410.

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