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What Is the PH of a 1

Question 128

Multiple Choice

What is the pH of a 1.0 M aqueous solution of Na₃AsO₄?(K_a1 = 6 × 10^-3,K_a2 = 1 × 10^-7,K_a3 = 3 × 10^-12)

A) 2.5
B) 7.0
C) 8.2
D) 11.5
E) 5.8

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