Calculate the PH of a Buffer That Is 0

question 134

Multiple Choice

Calculate the pH of a buffer that is 0.020 mol L^-1 HF and 0.040 mol L^-1 LiF. The K_a for HF is 3.5 × 10^-4.

• A) 2.06
• B) 4.86
• C) 3.16
• D) 3.46
• E) 3.76

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Definitions:

Total Income

The sum of all revenues and gains a company receives before any expenses are deducted.

Net Cash Flows

The difference between cash inflows and outflows over a period.

Average Rate

Typically refers to the mean value of a variable rate over a specified period, often used in financial contexts to calculate average interest rates.

Salvage Value

The estimated residual value of an asset at the end of its useful life.