(Answered) Molecular formula and molar mass

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Problem: Pheromones are compound secreted by the femailes of many insects to atract males. one of these compunds contains 80.87 % C, 13.56% H and 5.66% O by mass. A solution of 1.00g of this pheromone in 8.50g of benzene freezes at 3.37°C.

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Question: What are the molecular formula and molar mass of this compound. For benzene: Tf =5.50°C, Kf = 5.12°C/m. Be detailed in your response and provide examples also.

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