When Aqueous Solutions of Silver Nitrate and Potassium Chromate Are

question 10

Multiple Choice

When aqueous solutions of silver nitrate and potassium chromate are mixed, the blood-red precipitate silver chromate is formed. If 10.0 mL of 0.25 M aqueous silver nitrate is mixed with 15.0 mL of 0.14 M aqueous potassium chromate, what is the total concentration of ions in the solution after the precipitate is formed?

• A) 0.14 M
• B) 0.39 M
• C) 0.30 M
• D) 0.50 M
• E) 0.25 M

---

Definitions:

Dollars

The unit of currency used in the United States and other countries, represented by the symbol $.

Degree of Operating Leverage

The Degree of Operating Leverage is a measure that assesses the sensitivity of a company's operating income to changes in its sales volume, indicating the percentage change in operating income for a percentage change in sales.

Net Operating Income

A measure of a company's profitability from its regular business operations, deducting operating expenses from gross income.

Operating Leverage

A measure of how sensitive a company's operating income is to a change in its sales revenue, indicating the proportion of fixed to variable costs.