​The PH of a 0

question 123

Multiple Choice

​The pH of a 0.010 M weak acid solution is 5.28. Calculate K_a for this acid.

• A) 1.9​×10^-9
• B) ​2.8×10^-9
• C) ​5.3×10^-6
• D) ​3.6×10^-16
• E) ​5.3×10^-8

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