StoichiometryMolar Mass376Choose the best answerWhich pair has the same mass?A1 mol CO and 1 mol N₂B1 mol CO and 1 mol CO₂C1 mol O₂ and 1 mol N₂D1 mol O₂ and 1 mol CO₂ Like 1 Discuss 0Share
StoichiometryMole–Mass Stoichiometry377Choose the best answerIf 2.25 mol O₂ reacts completely with Al, what mass of Al is consumed? 4Al + 3O₂ → 2Al₂O₃A81 gB54 gC49.5 gD27 g Like 0 Discuss 0Share
Stoichiometry#Relative Atomic Mass378Choose the best answerAn atom is 15 times heavier than 1/12 of the mass of a carbon-12 atom. What is its relative atomic mass?A12B15C20D30 Like 0 Discuss 0Share
KMU MDCAT 2024 Chemistry#Mole Concept#Stoichiometry379Choose the best answerWhat is the mass of 1 mole of calcium carbonate (CaCO₃)? (KMU MDCAT 2024)A50gB75gC100gD125g Like 0 Discuss 0Share
StoichiometryMole–Mole Stoichiometry380Choose the best answerOne mole of each substance is separately burnt completely in excess O₂. Which produces the greatest amount of CO₂?ACOBCCCH₄DC₂H₂ Like 0 Discuss 0Share