What Is the H₃O⁺ Concentration in 0

question 64

Multiple Choice

What is the H₃O⁺ concentration in 0.0072 M NaOH(aq) at 25 °C? (K_w = 1.01 × 10^-14)

• A) 1.4 × 10^-12 M
• B) 7.2 × 10^-3 M
• C) 1.0 × 10^-14 M
• D) 1.0 × 10^-7 M
• E) 7.2 × 10^-17 M

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Definitions:

Marginal Utilities

The increased contentment or value obtained by a consumer through the consumption of one extra unit of a good or service.

Diminishing Marginal Utility

The principle that as a person increases consumption of a product, there is a decline in the marginal utility that person derives from consuming each additional unit of that product.

Income Effect

The change in an individual's or economy's income and how that change will affect the quantity demanded of a good or service.

Substitution Effect

The change in demand for a good that results from a change in its price, making consumers more likely to purchase more of a less expensive alternative or less of a more expensive one.