StoichiometryMass–Mass Stoichiometry336Choose the best answerIf 10 g CaCO₃ decomposes completely, what mass of CO₂ is released? CaCO₃ → CaO + CO₂A44 gB22 gC4.4 gD2.2 g Like 0 Discuss 0Share
StoichiometryMole–Volume Stoichiometry337Choose the best answer0.1 mol CS₂ undergoes complete combustion: CS₂ + 3O₂ → CO₂ + 2SO₂ What volume of SO₂ is produced at STP (273 K and 1 atm)?A4.48 dm³B2.24 dm³C1.12 dm³D5.6 dm³ Like 0 Discuss 0Share
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Relative Atomic Mass#Stoichiometry338Choose the best answerThe average weight of atoms of an element compared to the weight of one atom of --------is called atomic weight. (UHS MDCAT 2023)ACarbonBHeliumCHydrogenDNitrogen Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Mole Concept#Stoichiometry339Choose the best answerFor 2CO + O₂ → 2CO₂, what volume of CO₂ is produced from 44.8 L of CO at STP?A22.4 LB44.8 LC67.2 LD89.6 L Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Atomic Mass Comparison340Choose the best answerElements A and B have atomic masses 10 u and 20 u. Which statement must be true?AA has half the number of protons of B.BA has half the number of neutrons of B.COne atom of B is twice as heavy as one atom of A.DAtomic masses of A and B are unrelated to their relative masses. Like 0 Discuss 0Share