Below Is a Diagram Representing a Solvent A(l) in a 1-L

question 148

Multiple Choice

Below is a diagram representing a solvent A(l) in a 1-L beaker, and a solute X dissolved in the solvent. Solvent A has a density of 0.8 g/mL, and a molar mass of 40 g/mol. Solute X has a molar mass of 30 g/mol. Each circle of X represents 1 mol of X. Assume that the solute addition does not significantly change the volume of liquid in the beaker. What is the mass percent of solute X in this solution?

• A) 0.4%
• B) 3%
• C) 12%
• D) 13%
• E) 20%

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Definitions:

Anxiety

A mental health disorder characterized by feelings of worry, anxiety, or fear that are strong enough to interfere with one's daily activities.

Borderline Personality Disorder

A mental health disorder characterized by pervasive instability in moods, interpersonal relationships, self-image, and behavior.

Neuroticism

Refers to a dimension of personality associated with the experience of negative emotions and emotional reactivity.

Agreeableness

A personality trait that reflects a person's tendency to be compassionate, cooperative, and friendly towards others.