StoichiometryLimiting Reagent and Mole–Mole Stoichiometry46Choose the best answerFor the reaction: A + 2B → C 5 mol A and 8 mol B will produce:A5 mol CB4 mol CC8 mol CD13 mol C Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Molecules47Choose the best answer56 g N₂ contains the same number of molecules as:A180 g glucoseB8 g CH₄C128 g O₂D4 g H₂ Like 0 Discuss 0Share
StoichiometryLimiting and Excess Reagents48Choose the best answerIf a reaction has a limiting reagent, what happens to the excess reagent?AIt is completely consumedBSome of it remains unreactedCIt becomes a catalystDIt determines the theoretical yield Like 0 Discuss 0Share
StoichiometryMass–Volume Stoichiometry49Choose 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 Particles50Choose 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