A Buffer Is Made by Dissolving 0

question 13

Multiple Choice

A buffer is made by dissolving 0.10 mol of NaF in 1.00 L of 0.20 M HF. What is the pH of this buffer?
K _a(HF) = 6.3×10 ^{- 4}

• A) 1.05
• B) 1.58
• C) 3.16
• D) 3.46
• E) 3.70

---

Definitions:

Units Of Berries

Quantifiable amounts of berries, used to measure or quantify berry production, consumption, or trade.

Indifference Curve

A graph representing different bundles of goods between which a consumer is indifferent, showing combinations that yield equal satisfaction or utility.

Apples And Bananas

A phrase indicating comparison or choice between two different items, often used to illustrate the concept of preference or trade-off in economics.

Utility Function

a mathematical representation in economics of a consumer's preference ranking over a set of goods or services.