What Is the Equilibrium PH of a 0

question 15

Multiple Choice

What is the equilibrium pH of a 0.700 M solution of H₃PO₄(aq) ? (K_a1 = 7.5 × 10^-3,K_a2 = 6.2 × 10^-8,K_a3 = 4.8 × 10^-13)

• A) 1.16
• B) 3.68
• C) 12.32
• D) 6.24
• E) 7.21

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