Substance a Has a Greater Molar Mass Than Substance B

question 63

Multiple Choice

Substance A has a greater molar mass than substance B.If 50 g of substance A are dissolved in 250 g of water in one beaker,and 50 g of substance B are dissolved in 250 g of water in another beaker,then

• A)the vapor pressure of solution A will be lower than the vapor pressure of solution B.
• B)the solution of A will freeze at a lower temperature than the solution of B.
• C)the two solutions will have the same vapor pressure.
• D)the boiling point of solution A will be lower than the boiling point of solution B.
• E)the solution of A will have a higher osmotic pressure than the solution of B.

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Definitions:

Atmosphere

The layer of gases surrounding Earth, protecting it from extreme temperatures and harmful space energies.

Gaseous Layer

A stratum of the atmosphere composed of gases, such as the ozone layer, which provides protection from the sun's harmful ultraviolet radiation.

Planet

A celestial body orbiting a star or stellar remnant, with sufficient mass for self-gravity and a clear path in its orbit.

Insect Family

A classification level within the scientific taxonomy of insects, grouping together species that share common characteristics and evolutionary ancestors.