The Mole Fraction of Potassium Nitrate in an Aqueous Solution

question 150

Multiple Choice

The mole fraction of potassium nitrate in an aqueous solution is 0.0194. The solution's density is 1.0627 g/mL. What is the molarity of KNO₃ in the solution?

• A) 0.0194 M
• B) 0.981 M
• C) 1.05 M
• D) 1.96 M
• E) 19.4 M

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Definitions:

Equality-Efficiency Trade-Off

The compromise between ensuring an equitable distribution of resources and reaching the highest level of economic efficiency.

Economic Efficiency

A measure of how well resources are allocated to maximize the production of goods and services.

Income Distribution

The way in which total income is divided among the population or different groups within society.

Redistributing Income

The process of adjusting the distribution of income within a society, typically through taxation and government spending.