-A Sample of Potassium Nitrate (49

question 57

Multiple Choice

-A sample of potassium nitrate (49.0 g) is dissolved in 101 g of water at 100 °C, with precautions taken to avoid evaporation of any water. The solution is cooled to 30.0 °C and no precipitate is observed. This solution is ________.

• A)hydrated
• B)placated
• C)saturated
• D)unsaturated
• E)supersaturated

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Definitions:

Pay Back

The period of time it takes for an investment to generate enough returns to recover the original investment cost.

Fixed Costs

Expenses that do not vary with the level of production or sales, such as rent or salaries.

Accounting Break-even

The point at which a company's total revenues exactly match its total expenses, indicating no net profit or loss from operations.

Financial Break-even

The point at which total revenues and total expenses are equal, resulting in no net profit or loss, indicating the minimum performance level required to avoid losing money.