What Is the PH of a Buffer System Prepared by Dissolving

question 116

Multiple Choice

What is the pH of a buffer system prepared by dissolving 10.70 grams of NH₄Cl and 30.00 mL of 12 M NH₃ in enough water to make 1.000 L of solution? K_b = 1.80 × 10^-5 for NH₃.

• A)9.00
• B)9.26
• C)9.51
• D)11.32

---

Definitions:

Line Extension

The introduction of additional items in a product line under the same brand name, often new flavors, forms, colors, added ingredients, or package sizes.

Brand Strategy

A plan developed by a business to create a particular image of itself and its products or services in the minds of consumers, distinguishing it from its competitors.

Brand Dilution

The weakening of a brand’s strength and value, often as a result of overextension, inconsistent marketing, or association with lower quality products.

Luxury Sports Cars

High-end vehicles that combine superior design, craftsmanship, performance capabilities, and often advanced technological features for an elevated driving experience.