For 1100 ML of a Buffer That Is 0

question 90

Multiple Choice

For 110.0 mL of a buffer that is 0.40 M in HOCl and 0.52 M in NaOCl, what is the pH after 11.2 mL of 1.1 M NaOH is added? K_a for HOCl = 3.5  10^-8. (Assume the volumes are additive.)

• A) 7.36
• B) 7.57
• C) 7.34
• D) 7.11
• E) 7.80

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