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

Difficulty level: Medium .

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