StoichiometryMole Concept and Number of Molecules51Choose the best answerWhich sample contains the maximum number of molecules?A11.2 L O₂ at STPB16 g CH₄C14 g N₂D44.8 L NH₃ at STP Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms52Choose the best answerThe number of carbon atoms in 6 mg graphite is approximately:A3.01 × 10²³B6.02 × 10²³C3.01 × 10²⁰D6.02 × 10²⁴ Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Particles53Choose the best answer0.25 mol CH₄ contains:A1.505 × 10²³ CH₄ moleculesB1.505 × 10²³ carbon atomsC6.02 × 10²³ hydrogen atomsDAll of these Like 0 Discuss 0Share
Atomic StructureMass Spectrometry54Choose the best answerIsotopes of an element are recorded separately by a:AMass spectrometerBSpectrophotometerCCalorimeterDIR spectrophotometer Like 0 Discuss 0Share
StoichiometryLimiting Reagent and Theoretical Yield55Choose the best answerThe maximum theoretical amount of product from a reaction is determined by the:AExcess reagentBLimiting reagentCPractical yieldDCatalyst Like 0 Discuss 0Share