Waec Model Questions Vol1 2020 Chemistry Question 15

Practice objective / multiple choice question 15 from the 2020 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2020 Chemistry Objective / Multiple Choice Medium Difficulty
Question 15 WAEC_MODEL_QUESTIONS_VOL1 • 2020 • CHEMISTRY • objective

When 2.00 g of calcium carbonate reacts with excess HCl according to CaCO₃ + 2 HCl → CaCl₂ + CO₂ + H₂O, what volume of CO₂ (at STP) is theoretically produced? If the actual volume collected is 0.35 L, calculate the percent yield of the reaction.

Answer Options

A. 81.2 %
B. 71.5 %
C. 64.3 %
Correct Answer D. 78.1 %
Correct Answer
D
Correct Option:
78.1 %

About This Question

This is Waec Model Questions Vol1 2020 Chemistry Question 15. It is one of the objective questions from the 2020 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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