StoichiometryMole Concept and Number of Particles1Choose the best answerWhich statement is correct?A1 g H₂ and 16 g CH₄ contain equal numbers of moleculesB1 g C and 2 g Mg contain approximately equal numbers of atomsC1 mol O₂ and 1 mol He contain equal numbers of atomsDAll of these Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Particles2Choose 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
StoichiometryMole Concept and Number of Particles3Choose the best answerWhich statement is NOT true for 1 mol CO and 1 mol CO₂?AThey contain equal numbers of moleculesBThey occupy equal volumes as ideal gases at the same temperature and pressureCThey contain equal total numbers of atomsDA and B are true Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Particles4Choose the best answerHow many covalent bonds are present in 68 g H₂S?A3.01 × 10²³B6.02 × 10²³C2.41 × 10²⁴D24.1 × 10²⁴ Like 0 Discuss 0Share