Post Utme Uniosun 2022 Chemistry Question 25
Practice objective / multiple choice question 25 from the 2022 Post Utme Uniosun Chemistry examination.
A 2.50-g sample of a metal oxide is heated in a crucible until it is completely reduced to its constituent elements. If the mass of the metal obtained is 1.75 g, what is the mass of oxygen in the original sample?
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About This Question
This is Post Utme Uniosun 2022 Chemistry Question 25. It is one of the objective questions from the 2022 Post Utme Uniosun Chemistry examination.
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