Igcse Model Questions Vol1 2017 Chemistry Question 9

Practice objective / multiple choice question 9 from the 2017 Igcse Model Questions Vol1 Chemistry examination.

Igcse Model Questions Vol1 2017 Chemistry Objective / Multiple Choice Medium Difficulty
Question 9 IGCSE_MODEL_QUESTIONS_VOL1 • 2017 • CHEMISTRY • objective
Igcse Model Questions Vol1 2017 Chemistry Question 9 diagram

A gas collection over water apparatus shows that 125 mL of gas is collected at 25 °C and a total pressure of 760 mmHg. The vapour pressure of water at 25 °C is 23.8 mmHg. Using the ideal‑gas equation, calculate the amount of gas (in moles) collected.

Answer Options

A. 5.12×10⁻³ mol
B. 5.00×10⁻³ mol
Correct Answer C. 4.95×10⁻³ mol
D. 4.75×10⁻³ mol
Correct Answer
C
Correct Option:
4.95×10⁻³ mol

About This Question

This is Igcse Model Questions Vol1 2017 Chemistry Question 9. It is one of the objective questions from the 2017 Igcse Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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