A Solution Is Prepared by Adding 40

question 7

Multiple Choice

A solution is prepared by adding 40.00 g of lactose (milk sugar) to 110.0 g of water at The partial pressure of water above the solution is ________ Torr. The vapour pressure of pure water at 55 °C is 0.1553 bar. The MW of lactose is

• A) 118.7
• B) 8.268
• C) 19.08
• D) 2.188
• E) 114.3

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Definitions:

Functional Groups

Functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules.

OH

Sometimes refers to the hydroxyl group, a functional group consisting of an oxygen atom covalently bonded to a hydrogen atom.

Denature

The process by which a protein's structure is altered, losing its biological function, typically due to factors like changes in pH, temperature, or exposure to chemicals.

Body Temperature

The measure of the body's ability to generate and get rid of heat, reflecting how well the body is functioning.