Stoichiometry Stoichiometry MCQS#Mole Concept31Choose the best answerHow many moles of Mg are present in 6 g of Mg? (Molar mass of Mg = 24 g mol⁻¹)A0.25 molB0.50 molC1.0 molD4.0 mol Like 23 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Mole Concept32Choose the best answerWhich statement about one mole is correct?AOne mole of different substances always has the same massBOne mole is always equal to 22.4 L of any substanceCOne mole of any substance contains the same number of particlesDOne mole always contains 1 gram of substance Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Atomic Mass Unit33Choose the best answerIf an atom has a mass of 4 u, what does this mean?AIts mass is 4 g.BIt has 4 neutrons.CIts mass is four times the mass of 1 amu.DIt must be hydrogen. Like 0 Discuss 0Share
Stoichiometry 11#Atom#Atomic Structure34Choose the best answerWhat is the smallest particle of an element that may or may not exist independently?AA moleculeBAn atomCAn ionDAn electron Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Avogadro's Law#Gases35Choose the best answerAt the same temperature and pressure, which sample occupies the greatest volume?A5 N_A molecules of H₂B10 N_A molecules of O₂C2.5 N_A molecules of CO₂D20 N_A molecules of N₂O Like 0 Discuss 0Share