You Need to Use KH₂PO₄ and K₂HPO₄ to Prepare a Buffer

question 93

Multiple Choice

You need to use KH₂PO₄ and K₂HPO₄ to prepare a buffer with a pH of 7.45. Which of the following ratios of [base]/[acid] is required? For phosphoric acid, (H₃PO₄) , K_a2 = 6.2 × 10^-8.

• A) [base]/[acid] = 1.75
• B) [base]/[acid] = 1.27
• C) [base]/[acid] = 1.24
• D) [base]/[acid] = 0.79
• E) [base]/[acid] = 0.57

Analyze the criticism against utilitarianism, including its focus on consequences over intentions or rules.

Evaluate the role of consequentialist ethics in decision making and moral evaluations.

Recognize the inclusion of animals' interests in the utilitarian ethical framework.

Examine the process for resolving ethical dilemmas from a utilitarian perspective.

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Definitions:

Taste Buds

Sensory organs located on the tongue, allowing the perception of taste, including sweet, sour, salty, bitter, and umami.

Olfactory Cells

Specialized sensory neurons located in the olfactory epithelium of the nose, responsible for detecting odorous molecules and sending signals to the brain.

Mechanoreceptors

Sensory receptors that respond to mechanical pressure or distortion, involved in detecting touch, pressure, and sound.