Neco Model Questions Vol1 2023 Chemistry Question 47

Practice objective / multiple choice question 47 from the 2023 Neco Model Questions Vol1 Chemistry examination.

Neco Model Questions Vol1 2023 Chemistry Objective / Multiple Choice Medium Difficulty
Question 47 NECO_MODEL_QUESTIONS_VOL1 • 2023 • CHEMISTRY • objective

In the apparatus shown, a gas is collected over water at \(25^{\circ}\text{C}\). The volume reading is \(125.0\ \text{mL}\). Atmospheric pressure is \(760\ \text{mmHg}\) and the vapor pressure of water at this temperature is \(23.8\ \text{mmHg}\). Calculate the number of moles of the dry gas collected.

Answer Options

Correct Answer A. 4.95×10⁻³ mol
B. 5.12×10⁻³ mol
C. 4.80×10⁻³ mol
D. 5.00×10⁻³ mol
Correct Answer
A
Correct Option:
4.95×10⁻³ mol

About This Question

This is Neco Model Questions Vol1 2023 Chemistry Question 47. It is one of the objective questions from the 2023 Neco Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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