Gce Model Questions Vol1 2017 Chemistry Question 3

Practice objective / multiple choice question 3 from the 2017 Gce Model Questions Vol1 Chemistry examination.

Gce Model Questions Vol1 2017 Chemistry Objective / Multiple Choice Medium Difficulty
Question 3 GCE_MODEL_QUESTIONS_VOL1 • 2017 • CHEMISTRY • objective

2.00 g of magnesium metal reacts with excess hydrochloric acid according to the equation: Mg + 2 HCl → MgCl₂ + H₂. The hydrogen gas produced is collected at STP and the measured volume is 0.45 L. Calculate the percent yield of hydrogen gas based on the mass of magnesium used. Give your answer to one decimal place.

Answer Options

Correct Answer A. 24.4
B. 36.6
C. 48.8
D. 12.2
Correct Answer
A
Correct Option:
24.4

About This Question

This is Gce Model Questions Vol1 2017 Chemistry Question 3. It is one of the objective questions from the 2017 Gce Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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