What Is the Change in PH After Addition of 10

question 55

Multiple Choice

What is the change in pH after addition of 10.0 mL of 1.0 M aqueous sodium hydroxide to 90.0 mL of an aqueous 1.0 M NH₃/1.0 M NH₄⁺ buffer? (K_b for ammonia is 1.8 × 10^-5)

• A)1.0 pH unit
• B)0.1 pH unit
• C)0.01 pH unit
• D)0.001 pH unit
• E)zero

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