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

Question 67

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)   [Ka = 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

Correct Answer:

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