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

question 59

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%

---

Definitions:

Residual Stage

A phase in some diseases, after the main symptoms have disappeared, where a few mild symptoms may still persist.

Alogia

A reduction in the amount of speech and/or speech content, often observed in schizophrenia and other psychotic disorders.

Avolition

A lack of motivation or inability to initiate and persist in goal-directed activities, often observed as a symptom in some psychiatric disorders such as schizophrenia.

Delusions of Grandeur

A false belief in one's own superiority, greatness, or power, often found in psychiatric conditions such as bipolar disorder and schizophrenia.