What Is the Molal Boiling Point Constant for a Solvent

question 24

Multiple Choice

What is the molal boiling point constant for a solvent that has a boiling point elevation of 2.5°C when 10.0 g of a solute of molar mass 72.0 g/mol is dissolved in 0.314 kg of the solvent?

• A)5.7 °C/m
• B)18 °C/m
• C)0.25 °C/m
• D)0.035 °C/m
• E)8.0 °C/m

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Definitions:

Resistance

In psychology, an individual's unconscious defense mechanisms that hinder the progress of therapy or change by opposing the uncovering of unconscious material.

Systematic Desensitization

A behavior therapy technique used to reduce phobias and anxieties by gradually exposing individuals to the feared object or situation while teaching relaxation strategies.

Free-Associate

The psychoanalytic process of spontaneously expressing thoughts, feelings, or impulses without censorship, often revealing unconscious material.

Resistance

In psychotherapy, the patient's unconscious defense mechanisms that hinder the progress of therapy.