StoichiometryMole Concept and Mass Comparison111Choose the best answerWhich sample has the greatest mass?A1 gram-atom of CB0.5 mol CH₄C10 mL H₂OD3.011 × 10²³ O atoms Like 1 Discuss 0Share
StoichiometryMole#Mole Concept112Choose the best answerWhich descriptions are equivalent to one gram-atom of an element?AGram atomic massBOne gram-atomCOne mole of atomsDA, B and C Like 2 Discuss 0Share
StoichiometryMole Concept and Number of Particles113Choose 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 Atoms114Choose the best answerThe number of oxygen atoms present in 49 g H₂SO₄ is:A0.5NABNAC2NAD4NA Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Molecules115Choose the best answerWhich sample contains the greatest number of molecules?A2 mol H₂B4 mol CH₄C6 mol SO₂D10 mol O₂ Like 0 Discuss 0Share