What Is the PH of the Solution Which Results from Mixing

question 87

Multiple Choice

What is the pH of the solution which results from mixing 75 mL of 0.50 M NH₃(aq) and 75 mL of 0.50 HCl(aq) at 25 ^$\circ$ C? (K_b for NH₃ = 1.8 $\times$ 10^-5)

• A) 0.60
• B) 2.67
• C) 4.74
• D) 4.93
• E) 9.26

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