An Aqueous Solution Containing Equimolar Amounts of a Weak Acid

question 76

Multiple Choice

An aqueous solution containing equimolar amounts of a weak acid with K_a = 10^-5 and its sodium salt has:

• A)pH > 7
• B)pH < 7
• C)pH = 7
• D)pH dependent on concentration ratios
• E)pH dependent on the nature of the acid anion

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Definitions:

Externalities

Costs or benefits that result from an economic activity and affect third parties who did not choose to incur that cost or benefit.

Diseconomies of Scale

The phenomenon where, as a firm scales up its production, the per unit cost starts to increase, typically due to inefficiencies.

Economies of Scale

Economies of scale occur when a company reduces costs per unit due to an increase in production, typically achieved through operational efficiency and larger volume production.