Neco 2024 Chemistry Question 16

Practice objective / multiple choice question 16 from the 2024 Neco Chemistry examination.

Neco 2024 Chemistry Objective / Multiple Choice Hard Difficulty
Question 16 NECO • 2024 • CHEMISTRY • objective

A 10.0 g mixture of benzoic acid (C\(_7\)H\(_6\)O\(_2\), M = 122.12 g·mol\(^{-1}\)) and acetic acid (C\(_2\)H\(_4\)O\(_2\), M = 60.05 g·mol\(^{-1}\)) is completely combusted. The combustion produces 0.500 mol of \(\mathrm{CO_2}\). Assuming complete combustion, calculate the mass of benzoic acid and the mass of acetic acid present in the mixture.

Answer Options

A. Benzoic acid: 6.50 g; Acetic acid: 3.50 g
Correct Answer B. Benzoic acid: 6.96 g; Acetic acid: 3.04 g
C. Benzoic acid: 7.20 g; Acetic acid: 2.80 g
D. Benzoic acid: 5.00 g; Acetic acid: 5.00 g
Correct Answer
B
Correct Option:
Benzoic acid: 6.96 g; Acetic acid: 3.04 g

About This Question

This is Neco 2024 Chemistry Question 16. It is one of the objective questions from the 2024 Neco Chemistry examination.

Difficulty level: Hard .

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