StoichiometryMole Concept and Number of Atoms16Choose the best answerEqual masses of N₂, H₂ and O₂ are present in a vessel. Which sample contains the least number of atoms?AH₂BN₂CO₂DBoth H₂ and N₂ Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms17Choose the best answerWhich pair contains the same number of oxygen atoms?A0.5 mol H₂O and 1 mol SO₂B1 mol CO₂ and 0.5 mol SO₃C0.25 mol H₂O₂ and 0.5 mol H₂ODNone of these Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms18Choose the best answerApproximately how many carbon atoms are present in 1 mol sucrose, C₁₂H₂₂O₁₁?A6 × 10²³B24 × 10²³C60 × 10²³D72 × 10²³ Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms19Choose 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
StoichiometryMole Concept and Number of Atoms20Choose the best answer0.5 mol H₂O contains:A0.5 mol H atomsB22.4 dm³ OCNA H atomsD2 mol atoms Like 0 Discuss 0Share