StoichiometryMass of an Element in a Compound261Choose the best answerHow many moles of NO₂ contain 16 g oxygen?A0.25 molB1.00 molC0.50 molD1.50 mol Like 0 Discuss 0Share
StoichiometryMass–Volume Stoichiometry262Choose the best answerWhat volume of CO₂ at STP is produced from 1.0 g of CaCO₃? CaCO₃ → CaO + CO₂A22.4 LB2.24 LC0.224 LD0.0224 L Like 0 Discuss 0Share
StoichiometryGay-Lussac's Law of Combining Volumes263Choose the best answerGas volumes at the same temperature and pressure react in simple whole-number ratios. This is:AProust's lawBAvogadro's lawCGay-Lussac's law of combining volumesDLaw of multiple proportions Like 0 Discuss 0Share
StoichiometryMass–Mass Stoichiometry264Choose the best answerWhat mass of CO₂ is formed when 8 g O₂ reacts with excess CO? 2CO + O₂ → 2CO₂A88 gB44 gC22 gD11 g Like 0 Discuss 0Share
StoichiometryLimiting Reagent265Choose the best answerWhy does the limiting reagent control the amount of product formed?AIt is completely consumed first, stopping further product formationBIt always has the highest massCIt is present in excessDIt reacts at the highest rate Like 0 Discuss 0Share