Post Utme Esut 2021 Chemistry Question 21

Practice objective / multiple choice question 21 from the 2021 Post Utme Esut Chemistry examination.

Post Utme Esut 2021 Chemistry Objective / Multiple Choice
Question 21 POST_UTME_ESUT • 2021 • CHEMISTRY • objective

Determine the number of moles of CO2 produced when 2.5 g of calcium carbonate (CaCO3) is decomposed completely in a reaction with hydrochloric acid (HCl). The molar mass of CaCO3 is 100.09 g/mol, and the molar mass of CO2 is 44.01 g/mol. The balanced chemical equation for the reaction is: CaCO3 + 2HCl -> CaCl2 + CO2 + H2O.

Answer Options

A. 0.056 mol
Correct Answer B. 0.0565 mol
C. 0.057 mol
D. 0.0575 mol
Correct Answer
B
Correct Option:
0.0565 mol

About This Question

This is Post Utme Esut 2021 Chemistry Question 21. It is one of the objective questions from the 2021 Post Utme Esut Chemistry examination.

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