Answer to Question #136903 in Inorganic Chemistry for Cynthia

Question

A research worker isolated an unknown compound from one of his reaction product. This compound was a volatile liquid with a boiling point of 65oC. A 0.134 g sample of the liquid was vaporized and the gas was collected. The temperature of the collecting chamber was kept at 98oC in order that liquefaction would not occur. After all the sample was vaporized, the volume of the gas was measured at 0.0532 l at 98oC and 737 mmHg. Calculate the molecular weight of the compound.​

Answer 1

Boiling point of 65oC

A 0.134 g sample of the liquid was vaporized and the gas was collected.

Temperature of the collecting chamber was kept at 98oC in order that liquefaction would not occur.

the volume of the gas was measured at 0.0532 l at 98oC and 737 mmHg.

Therefore :

To Calculate the molecular weight of the compound.​

((0.532)(98)(737)) = 3842.4232

((33)(737) = 24321

3842.4232/ 24321

= 0.158g