StoichiometryMole Concept and Number of Molecules176Choose 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 Atoms177Choose 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 Atoms178Choose the best answerWhat is the total number of atoms present in 6 g H₂O?ANAB2NAC3NAD(1/3)NA Like 0 Discuss 0Share
StoichiometryMoles and Molar Mass179Choose the best answerWhich sample has the least mass?A0.5 mol O₂B2 mol NH₃C0.25 mol SO₂D0.5 mol H₂O Like 1 Discuss 0Share
StoichiometryPercentage Yield180Choose 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