StoichiometryMole–Mass Conversion256Choose the best answerWhat is the mass of 0.25 mol SO₂?A6.4 gB1.6 gC46 gD16 g Like 0 Discuss 0Share
StoichiometryMolecular Mass257Choose the best answerWhich pair has the same molecular mass?ANO₂ and CO₂BCO(NH₂)₂ and CH₃COOHCC₂H₆ and C₃H₆DNone of these Like 0 Discuss 0Share
StoichiometryMole–Mass Conversion258Choose the best answerWhat is the mass of 1.5 mol H₂O?A15 gB18 gC27 gD150 g Like 0 Discuss 0Share
StoichiometryAvogadro's Law and Gas Volume259Choose the best answerWhat is the volume ratio of 4 g H₂ to 32 g CH₄ at the same temperature and pressure?A1 : 2B1 : 8C1 : 1D2 : 1 Like 0 Discuss 0Share
StoichiometryAvogadro Constant260Choose the best answerAvogadro constant is equal to the number of:AH₂ molecules in 1 g H₂BAtoms in 44 g CO₂CCO₂ molecules in 44 g CO₂DOxygen atoms in 44 g CO₂ Like 0 Discuss 0Share