StoichiometryStoichiometric Equivalents and Mole Ratios116Choose the best answerFor the reaction: CO₂ + C → 2CO which equivalence is NOT correct?A1 mol CO₂ ≡ 2 mol COB1 mol C ≡ 56 g COC44 g CO₂ ≡ 28 g COD44 g CO₂ ≡ 12 g C Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms117Choose the best answerThe number of hydrogen atoms in 45 g glucose, C₆H₁₂O₆, is:A6.02 × 10²³B18 × 10²⁴C1.8 × 10²⁴D1.8 × 10²² Like 0 Discuss 0Share
StoichiometryLimiting Reagent118Choose the best answerThe reactant that is completely consumed first in a reaction is called the:ALimiting reactantBExcess reactantCLimiting productDExcess product Like 0 Discuss 0Share
StoichiometryTheoretical Yield119Choose the best answerThe maximum amount of product predicted from a balanced chemical equation is called:APractical yieldBActual yieldCTheoretical yieldDA and B Like 0 Discuss 0Share
StoichiometryPercentage Yield120Choose the best answerWhen 80 g CaCO₃ decomposes, the actual yield of CO₂ is 30 g. What is the percentage yield? CaCO₃ → CaO + CO₂A50%B60%C75%D85% Like 0 Discuss 0Share