When 50 mL of 0.10 M NH₄Cl is added to 50 mL of 0.10 M NH₃,relative to the pH of the 0.10 M NH₃solution the pH of the resulting solution will A)become 7. B)decrease. C)increase. D)remain the same.

Question

Quizplus · Accepted Answer

NH₄Cl is an acidic compound, and adding it to the 0.10 M NH₃ solution will increase the overall concentration of acid in the solution. This will shift the equilibrium towards the formation of H+ ions, causing the pH to decrease. Therefore, the correct answer is (B) decrease.

When 50 ML of 0