A 25.0-mL sample of 0.10 M C₂H₃NH₂(ethylamine) is titrated with 0.15 M HCl. What is the pH of the solution after 9.00 mL of acid have been added to the amine? K_b = 6.5 × 10^-4 A) 11.08 B) 10.88 C) 10.74 D) 10.55 E) 10.49

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The Answer of A 25.0-mL sample of 0.10 M C₂H₃NH₂(ethylamine) is titrated with 0.15 M HCl. What is the pH of the solution after 9.00 mL of acid have been added to the amine? K_b = 6.5 × 10^-4 A) 11.08 B) 10.88 C) 10.74 D) 10.55 E) 10.49

A 250-ML Sample of 0