StoichiometryLimiting Reagent191Choose the best answerFor the reaction: A + 2B → AB₂ in which case is B the limiting reagent?A50 mol A with 100 mol BB100 mol A with 200 mol BC100 atoms A with 100 atoms BD50 atoms A with 100 atoms B Like 0 Discuss 0Share
StoichiometryMole#Mole Concept192Choose the best answerWhich statements are correct for 18 g of water?A6.02 × 10²³ molecules of waterB2 × 6.02 × 10²³ atoms of hydrogenC6.02 × 10²³ atoms of oxygenDA, B and C Like 0 Discuss 0Share
StoichiometryMole Concept193Choose the best answerThe amount of substance containing NA specified entities is called:AOne moleBAvogadro constantCMolecular massDFormula mass Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Molecules194Choose the best answer4.6 g C₂H₅OH and 3.0 g C₂H₆ contain:ADifferent numbers of moleculesBDifferent masses of carbonCEqual numbers of moleculesD0.2 mol oxygen atoms in each Like 0 Discuss 0Share
StoichiometryLimiting Reagent195Choose the best answer100 g NH₄Cl and 100 g Ca(OH)₂ are heated: 2NH₄Cl + Ca(OH)₂ → CaCl₂ + 2NH₃ + 2H₂O Which is the limiting reagent?ANH₄ClBCa(OH)₂CNH₃DH₂O Like 0 Discuss 0Share