An Unknown Liquid Is Vaporized in a 273-ML Flask by Immersion

question 81

Multiple Choice

An unknown liquid is vaporized in a 273-mL flask by immersion in a water bath at 99°C.The barometric pressure is 753 torr.If the mass of the substance's vapor retained in the flask is 1.362 g,what is its molar mass?

• A)20.4 g/mol
• B)40.9 g/mol
• C)112 g/mol
• D)154 g/mol
• E)184 g/mol

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Definitions:

Cellulose

An organic compound with the formula (C6H10O5)n, a polysaccharide consisting of a linear chain of several hundred to many thousands of β(1→4) linked D-glucose units, a primary structural component of plant cell walls.

Digestive Tracts

The series of hollow organs joined in a long, twisting tube from the mouth to the anus, where food is broken down and nutrients are absorbed.

Pulp Cavity

The central part of a tooth containing the nerve and blood vessels, vital for the tooth's nutrition and sensitivity.

Tooth Decay

A condition where the structure of the tooth is damaged due to bacterial activity, leading to cavities or caries.