What Is the [AsO₄^3-] for a Solution Labeled "0

question 87

Multiple Choice

What is the [AsO₄^3-] for a solution labeled "0.10 M arsenic acid (H₃AsO₄) "?
[K_a1 = 6 × 10^-3,K_a2 = 1 × 10^-7,K_a3 = 3 × 10^-12]

• A)1 × 10^-7 M
• B)1 × 10^-17 M
• C)3 × 10^-12 M
• D)3 × 10^-19 M
• E)6 × 10^-10 M

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