MDCAT Chemistry Past Paper 2023#Empirical and Molecular Formula#Stoichiometry231Choose the best answerAn organic compound has C = 40%, H = 6.67%, and O = 53.3%. What is the empirical formula of the compound? (MDCAT 2023)ACHOBC₂H₃OCCH₂ODC₂H₂O Like 0 Discuss 0Share
StoichiometryMolar Mass from Gas Volume232Choose the best answer11.2 dm³ of a gas at STP (273 K and 1 atm) has a mass of 16 g. What is its molar mass?A8 g mol⁻¹B16 g mol⁻¹C32 g mol⁻¹D4 g mol⁻¹ Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms233Choose the best answerWhich pair contains the same number of oxygen atoms?A0.5 mol H₂O and 1 mol SO₂B1 mol CO₂ and 0.5 mol SO₃C0.25 mol H₂O₂ and 0.5 mol H₂ODNone of these Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Empirical and Molecular Formula#Stoichiometry234Choose the best answerThe empirical formula of glucose (C₆H₁₂O₆) is: (Sindh MDCAT 2020)AC₆H₁₂O₁₆BCHOCCH₂ODCH₂O₂ Like 0 Discuss 0Share
StoichiometryMolar Mass from Gas Volume235Choose the best answerA 4.4 g sample of a gas occupies 2.24 L at STP (273 K and 1 atm). Which gas may it be?ACO₂BCOCO₂DSO₂ Like 0 Discuss 0Share