11. An empty flask has a mass of 48.283g and 48.612g when filled with acetone vapor at 80°C ar 728mmHg. If the volume of the flask is 227.5mL, what is the molecular weight of the acetone? d 43 8075kg/kmol. a 43 7497kg/kmol b 38 6978kg/kmo1 c. 42 4760kg/kmol

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