ChemistryChemical combinationJAMB
What is the mass of 22.4 dm³ of carbon(IV) oxide at s.t.p.? (C = 12, O = 16)
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Answer: B. 44 g
22.4 dm³ at s.t.p. is 1 mol, and 1 mol of CO₂ is 44 g.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.