How Many Moles Are in a Sample of Ethanol, CH₃CH₂OH

question 55

Multiple Choice

How many moles are in a sample of ethanol, CH₃CH₂OH that has a volume of 100.0 mL? The molar mass and density of ethanol are 46.07 g/mol and 0.789 g/mL, respectively.

• A)78.9 mol
• B)1.71 mol
• C)36.3 mol
• D)2.75 mol
• E)0.504 mol

---

Definitions:

Interviewing

Interviewing is the act of asking questions and obtaining information from people, often used in research, journalism, and employment processes.

Identifying Patterns

The practice of recognizing recurring themes, behaviors, or events, which can be used to predict future occurrences or understand past actions.

Determining Fault

The process of identifying responsibility or wrongdoing, especially after an event or accident, to ascertain accountability.

Conformity Orientation

A concept in family communication research that describes the extent to which family communication creates a climate that encourages or discourages conformity to family norms and expectations.