StoichiometryMole Concept and Avogadro Constant216Choose the best answerOne mole of C₂H₆ and one mole of C₂H₅OH contain equal:ANumbers of moleculesBNumbers of atomsCNumbers of electronsDMasses Like 0 Discuss 0Share
StoichiometryAtomic Mass and Mole Concept217Choose the best answer1.5 mol of an element has a mass of 84 g. Its atomic mass is:A35B56C65D60 Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms218Choose the best answerIf 32 g O₂ contains 6.022 × 10²³ molecules, how many sulfur atoms are present in 32 g S?A6.022 × 10²³B3.011 × 10²³C12.044 × 10²³D1 × 10²³ Like 0 Discuss 0Share
StoichiometryLimiting Reagent219Choose the best answerFor the reaction: A + 2B → AB₂ 5 mol A and 2 mol B are mixed. Which is the limiting reagent?AABBCAB₂DCannot be determined Like 0 Discuss 0Share
StoichiometryMole–Mass Conversion220Choose the best answerWhat is the mass of 5 mol H₂O?A90 gB36 gC18 gD100 g Like 0 Discuss 0Share