StoichiometryMole Concept and Number of Atoms21Choose the best answerWhat is the total number of atoms present in 6 g H₂O?ANAB2NAC3NAD(1/3)NA Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms22Choose the best answerWhich sample contains approximately the same number of atoms as 6 g C?A0.5 mol O₂B11.2 dm³ H₂ at STPC12 g MgDAll of these Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms23Choose the best answerWhich sample contains the greatest number of oxygen atoms?A1 g OB1 g O₂C1 g O₃DAll contain the same number Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms24Choose the best answerUsing Ar(Ar) = 40 and Ar(Ca) = 40, 20 g Ar contains the same number of atoms as:A40 g CaB30 g CaC20 g CaD10 g Ca Like 0 Discuss 0Share