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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) ? (Ka1 = 7.5 × 10-3,Ka2 = 6.2 × 10-8,Ka3 = 4.8 × 10-13)


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

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