The PH of a 0

question 113

Multiple Choice

The pH of a 0.25 M aqueous solution ammonia,NH₃,at 25.0 °C is 9.50.What is the value of K_b for NH₃?

• A)2.5 × 10^-1
• B)4.0 × 10^-19
• C)4.0 × 10^-9
• D)3.2 × 10^-5
• E)none of the above

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