What Is the PH for a Solution Labeled 0

question 13

Multiple Choice

What is the pH for a solution labeled 0.10 M arsenic acid (H₃AsO₄) ? [Ka1 = 6 × 10^-3, Ka₂ = 1 × 10^-7, Ka₃ = 3 × 10^-12]

• A) 1.6
• B) 4.0
• C) 6.3
• D) 1.0
• E) 3.2

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