K_b for NH₃ Is 1

question 109

Multiple Choice

K_b for NH₃ is 1.8 × 10^-5. What is the pOH of a 0.20 M aqueous solution of NH₄Cl at 25.0 °C?

• A)2.72
• B)11.28
• C)9.02
• D)4.98
• E)11.23

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