StoichiometryMole–Mole Stoichiometry41Choose the best answerOne mole of each substance is separately burnt completely in excess O₂. Which produces the greatest amount of CO₂?ACOBCCCH₄DC₂H₂ Like 0 Discuss 0Share
StoichiometryMass–Volume Relationship42Choose the best answerWhen the mass of a solid reactant is related to the volume of a gaseous product, which stoichiometric relationship is used?AMass–mass relationshipBMass–volume relationshipCVolume–volume relationshipDNone of these Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Avogadro Constant43Choose the best answerA mass of 1/N_A gram is approximately equal to which quantity?AThe mass of a protonBMolar massCOne atomic mass unit (u)DA and C Like 1 Discuss 0Share
StoichiometryMass–Mass Stoichiometry44Choose the best answerHow many grams of CO₂ are produced when 16 g CH₄ burns completely? CH₄ + 2O₂ → CO₂ + 2H₂OA44 gB22 gC11 gD5.5 g Like 0 Discuss 0Share
StoichiometryMole–Mass Stoichiometry45Choose the best answer1.5 mol O₂ reacts completely with Mg: 2Mg + O₂ → 2MgO What mass of Mg is consumed?A72 gB36 gC48 gD24 g Like 0 Discuss 0Share