A 250 ML Solution of Quinine Was Titrated with 1

question 176

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:

Fixed Overhead Budget Variance

The difference between the budgeted and actual fixed overhead costs incurred during a specified period.

Fixed Manufacturing Overhead

Costs that do not vary with the level of production, such as rent, salaries of permanent staff, and depreciation of factory equipment.

Fixed Overhead Volume Variance

The difference between the budgeted and actual fixed overhead costs attributed to the variation in produced units.

Materials Price Variance

The difference between the actual cost of materials and the standard cost, which can indicate inefficiencies or savings.