An Aqueous Dextrose Solution Having a Density of 1

question 35

Multiple Choice

An aqueous dextrose solution having a density of 1.04 g/cm³ freezes at -1.15°C.Find the osmotic pressure of this solution at 25°C.K_f of water is 1.86 °C/m; molecular mass of dextrose = 180.16 g/mol.

• A)12.9 atm
• B)13.8 atm
• C)14.1 atm
• D)15.1 atm
• E)120 atm

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Definitions:

Superego

In psychoanalytic theory, the part of the personality that acts as a moral center, enforcing societal norms and values.

Id

In psychoanalysis, the part of the mind in which innate instinctive impulses and primary processes are manifest.

Oral Stage

In Freudian psychoanalysis, the first stage of psychosexual development during infancy, where the mouth is the focus of libido and satisfaction comes from sucking and swallowing.

Phallic Stage

The period between the third and fourth years when the focus of sexual pleasure shifts to the genitals.