StoichiometryGas Volume Stoichiometry116Choose the best answerWhat volume of O₂ is required for complete oxidation of 4 L CO at the same temperature and pressure? 2CO + O₂ → 2CO₂A4 LB8 LC2 LD1 L Like 0 Discuss 0Share
Stoichiometry#Atomic Structure#Isotopes117Choose the best answerAn element has isotopes of 50 u and 54 u in a 3:1 ratio. What is its relative atomic mass?A50.5B51C51.5D52 Like 0 Discuss 0Share
StoichiometryPercentage Yield118Choose the best answerIf actual yield is 15 g and theoretical yield is 20 g, the percentage yield is:A50%B75%C80%D90% Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms119Choose the best answerHow many carbon atoms are present in 6 g C?A6NAB12NACNAD0.5NA Like 0 Discuss 0Share
StoichiometryVapour Density and Molar Mass120Choose the best answerTwo moles of a gas X have a mass of 44 g. Its vapour density relative to H₂ is:A44B22C11D5.5 Like 0 Discuss 0Share