Solved

A Chemist Prepares a Buffer Solution by Mixing 70 ML

Question 111

Multiple Choice

A chemist prepares a buffer solution by mixing 70 mL of 0.15 M NH3 (Kb = 1.8 × 10-5 at 25 °C) and 50 mL of 0.15 M NH4Cl.Calculate the pH of the buffer.


A) ​10.88
B) ​4.26
C) ​4.59
D) ​8.24
E) ​9.40

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q106: The amphiprotic anion monohydrogenphosphate acts as both

Q107: What is the pH at the equivalence

Q108: What is the pH of a solution

Q109: What is the hydronium-ion concentration of a

Q110: What is the hydrogen-ion concentration of a

Q112: Phosphoric acid,H<sub>3</sub>PO<sub>4</sub>,will undergo three successive ionization reactions

Q113: In the titration of a weak monoprotic

Q114: What is the hydronium-ion concentration of a

Q115: What is the equilibrium concentration of chloroacetic

Q116: Which of the following equilibria best represents