What Is the PH of an Aqueous Solution Labeled "0

question 79

Multiple Choice

What is the pH of an aqueous solution labeled "0.10 M phosphoric acid"?
[K_a1 = 7.1 × 10^-3;K_a2 = 6.3 × 10^-8;K_a3 = 4.2 × 10^-13]

• A)5.7
• B)4.3
• C)3.1
• D)2.3
• E)1.6

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