StoichiometryMass–Volume Stoichiometry156Choose the best answerWhat volume of CH₄ at STP (273 K and 1 atm) is required to react completely with 3.2 g O₂? CH₄ + 2O₂ → CO₂ + 2H₂OA4.48 LB2.24 LC1.12 LD0.56 L Like 0 Discuss 0Share
StoichiometryRelative Atomic Mass157Choose the best answerThe mass of an atom compared with 1/12 of the mass of a ¹²C atom is called:AOne moleBGram atomic massCAtomic numberDRelative atomic mass Like 0 Discuss 0Share
StoichiometryIntroduction to Stoichiometry158Choose the best answerStoichiometry deals with quantitative relationships between the _____ of reactants and products.ANumber of molesBMassesCVolumes of gasesDAll of these Like 0 Discuss 0Share
StoichiometryMole–Mass Conversion159Choose the best answerWhat is the mass of 0.25 mol SO₂?A6.4 gB1.6 gC46 gD16 g Like 0 Discuss 0Share
StoichiometryMole–Mass Stoichiometry160Choose the best answerIn the reaction: CH₄ + 2O₂ → CO₂ + 2H₂O what mass of CO₂ is produced when 0.5 mol O₂ reacts with excess CH₄?A44 gB22 gC11 gD5.5 g Like 0 Discuss 0Share