A Weak Acid Has K_a = 1

question 28

Multiple Choice

A weak acid has K_a = 1.00 × 10^-3.If [HA] = 1.00 M what must be [A^-] for the pH to be 2.7?

• A)0.50 M
• B)2.0 M
• C)2.7 M
• D)0.37 M
• E)0.75 M

Grasp the nature and consequences of network externalities in market dynamics and consumer choice.

Analyze the components and calculation of consumer surplus in market transactions.

Discern how pollution and environmental demands can influence market demands and government policies.

Assess the role of elasticity in demand and its implications for pricing and market strategies.

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Definitions:

Inherited Traits

Characteristics or properties genetically passed down from parents to their offspring.

Multiple Genes

Pertains to the involvement of more than one gene in influencing a trait, characteristic, or the manifestation of a disease.

Glycogen

A large molecule composed of glucose units, it functions as the secondary long-term energy storage in animal and fungal cells.

Glucose

A simple sugar that is an important energy source in living organisms and a component of many carbohydrates.