The Addition of HF and ________ to Water Produces a Buffer

question 93

Multiple Choice

The addition of HF and ________ to water produces a buffer solution.

• A)HBr
• B)KNO₃
• C)KOH
• D)NaCl
• E)NaBr

---

Definitions:

Long-run Average Total Cost

The average cost per unit of output when all inputs, including capital, are variable, analyzed over a period when all factors of production can be adjusted.

Economies of Scale

The cost advantage that arises with increased output of a product, resulting in a decrease in the per-unit cost as the scale of production is enlarged.

Long-run Total Costs

The aggregate sum of all production costs for a company when all input factors are variable, analyzed over a prolonged period.

Economies of Scale

The cost advantages that enterprises obtain due to size, output, or scale of operation, with cost per unit of output generally decreasing with increasing scale.