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What Is the PH of a Solution Prepared by Dissolving

Question 52

Multiple Choice

What is the pH of a solution prepared by dissolving 4.50 g sodium dihydrogen borate (83.82g/mol) in 650 mL of a 0.0725 M boric acid? The Ka of boric acid is 5.4 *10-10.Ignore any volume change.


A) 9.21
B) 9.32
C) 9.27
D) 9.40
E) 9.14

Correct Answer:

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