An Aqueous Solution of Boric Acid Can Be Represented by the Equilibrium

question 50

Multiple Choice

An aqueous solution of boric acid can be represented by the equilibrium system:
B(OH) ₃(aq) + 2 H₂O(l) ⇌ H₃O⁺(aq) + B(OH) ₄^-(aq) (K_a = 5.6 × 10^-10)
What is the pH of an eyewash solution which is 0.0018 M in boric acid?

• A)3.75
• B)4.75
• C)6.00
• D)7.49
• E)9.25

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Definitions:

Stepwise Modification

A methodical approach to changing behavior or processes through small, incremental adjustments rather than drastic changes.

Alternating Treatments Design

An experimental design used in research to compare the effectiveness of two or more treatments by applying them alternately in quick succession.

Behavior Change

The transformation or modification of human behavior using various psychological methods, including conditioning.

Sequence Effects

The impact that the order of presenting treatments or stimuli has on the subject's behavior or responses in an experiment.