A 250 ML Solution of Quinine Was Titrated with 1

question 63

Multiple Choice

A 25.0 mL solution of quinine was titrated with 1.00 M hydrochloric acid, HCl. It was found that the solution contained 0.125 moles of quinine. What was the pH of the solution after 50.00 mL of the HCl solution were added? Quinine is monobasic with pK_b  5.10.

• A)5.10
• B)8.90
• C)8.72
• D)4.92
• E)9.08

---

Definitions:

Inelastic Supply

A market condition where the quantity supplied of a good does not change significantly when its price changes.

Inelastic Demand

The case in which the price elasticity of demand is less than 1.

FICA

FICA stands for the Federal Insurance Contributions Act and is a United States federal payroll tax that funds Social Security and Medicare programs.

Payroll Tax

A tax on the earnings an employer pays to an employee.