Neco Model Questions Vol1 2023 Chemistry Question 9

Practice objective / multiple choice question 9 from the 2023 Neco Model Questions Vol1 Chemistry examination.

Neco Model Questions Vol1 2023 Chemistry Objective / Multiple Choice Medium Difficulty
Question 9 NECO_MODEL_QUESTIONS_VOL1 • 2023 • CHEMISTRY • objective

A 0.250 M solution of the weak acid HA ( \(K_a = 1.8 \times 10^{-5}\) ) is titrated with 0.200 M NaOH. If 12.5 mL of NaOH is added to 25.0 mL of the acid solution, calculate the pH of the resulting solution.

Answer Options

A. 5.03
B. 4.12
C. 3.89
Correct Answer D. 4.57
Correct Answer
D
Correct Option:
4.57

About This Question

This is Neco Model Questions Vol1 2023 Chemistry Question 9. It is one of the objective questions from the 2023 Neco Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support