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Calculate the PH of a Solution Formed by Mixing 250

Question 158

Multiple Choice

Calculate the pH of a solution formed by mixing 250.0 mL of 0.15 mol L^-1 NH₄Cl with 100.0 mL of 0.20 mol L^-1 NH₃. The K_b for NH₃ is 1.8 × 10^-5.

A) 9.13
B) 9.25
C) 9.53
D) 4.74
E) 8.98

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