A Special Flask Used in the Determination of Densities, Called $\circ$

question 98

Multiple Choice

A special flask used in the determination of densities, called a pycnometer, has a mass of 16.3179 g when empty, and it has a mass of 48.0250 g when filled with water at 20.0 ^$\circ$ C. When this same pycnometer is filled with ethyl alcohol at 20.0 ^$\circ$ C, it is found to have a mass of 41.3934 g. Find the density of ethyl alcohol at 20.0 ^$\circ$ C. (Given: at 20.0 ^$\circ$ C, the density of water is 0.9982 g/mL)

• A) 0.7894 g/mL
• B) 0.7923 g/mL
• C) 0.7908 g/mL
• D) 1.303 g/mL
• E) 0.7674 g/mL

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Definitions:

Economic Income

The total value of all earnings received over a period, including wages, profits, rents, and any gains from the sale or appreciation of assets.

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The total assets minus total liabilities of an individual or entity, representing the value of their economic position.

Consumption

The use of goods and services by households or individuals, representing the final use of produced goods and services in an economy.

Horizontal Equity

is a principle in taxation that mandates taxpayers with similar income or assets should be taxed at the same rate.