A 500-G Sample of Ethyl Alcohol (C₂H₅OH) Is Dissolved in 75

question 97

Multiple Choice

A 50.0-g sample of ethyl alcohol (C₂H₅OH) is dissolved in 75.0 g of water. What is the mole fraction of ethyl alcohol?

• A) 0.342
• B) 0.667
• C) 0.414
• D) 0.207
• E) none of these

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Definitions:

Market Demand

The total quantity of a product or service that all consumers in a market are willing and able to purchase at various prices.

Plumbing Services

Professional services involved in installing, repairing, and maintaining the piping and fixtures associated with water distribution and waste water disposal.

Short Run

A period in economics during which at least one input (like capital) is fixed, focusing on immediate effects rather than long-term outcomes.

Profit-Maximizing Price

The price level at which a firm can achieve the maximum possible profit, calculated by equating marginal cost with marginal revenue.