StoichiometryMass–Volume Stoichiometry61Choose the best answerWhat volume of O₂ at STP (273 K and 1 atm) is obtained by electrolysis of 3.6 g H₂O? 2H₂O → 2H₂ + O₂A2.24 dm³B4.48 dm³C1.12 dm³D1120 dm³ Like 0 Discuss 0Share
StoichiometryMole Concept and Specified Particles62Choose the best answerWhich sample contains exactly 1 mol of the stated particles?ACl₂ molecules in 35.5 g Cl₂BElectrons in 1.008 g H₂CH⁺ ions in 1 dm³ of 1 mol dm⁻³ H₂SO₄DO atoms in 22.4 dm³ O₂ at STP Like 0 Discuss 0Share
XIIMDCAT Chemistry Test#Empirical and Molecular Formula#Stoichiometry63Choose the best answerWhich molecular formula is correct for pyridine?AC₆H₅NBC₅H₆NCC₅H₅NDC₆H₆N Like 0 Discuss 0Share
StoichiometryBalancing Chemical Equations64Choose the best answerWhen the equation is balanced using the smallest whole-number coefficients: C₆H₁₄ + O₂ → CO₂ + H₂O the coefficient of O₂ is:A1.5B13C19D38 Like 0 Discuss 0Share
BUMHS MDCAT 2025 Chemistry#Stoichiometric Calculations#Stoichiometry65Choose the best answerConsider the reaction: 2Na + Cl₂ → 2NaCl. If 4 moles of Na and 2 moles of Cl₂ are reacted, how much Cl₂ will remain unreacted? (BUMHS MDCAT 2025)A0 molB0.5 molC1 molD1.5 mol Like 0 Discuss 0Share