StoichiometryMolar Volume and Number of Molecules236Choose the best answer6.022 × 10²² molecules of N₂ occupy what volume at STP (273 K and 1 atm)?A22.4 LB2.24 LC6.02 LD6.02 mL Like 0 Discuss 0Share
StoichiometryMass–Mass Stoichiometry237Choose the best answer14 g N₂ reacts with 6 g H₂: N₂ + 3H₂ → 2NH₃ What mass of NH₃ is formed?A34 gB17 gC13.5 gDNone of these Like 0 Discuss 0Share
StoichiometryLimiting Reagent238Choose the best answer1 mol CH₄ reacts with 4 mol O₂ according to: CH₄ + 2O₂ → CO₂ + 2H₂O Which is the limiting reagent?ACH₄BO₂CCO₂DH₂O Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms239Choose the best answerOne mole of CH₄ contains:A1 mol carbon atomsB4 mol hydrogen atomsC5 mol atoms in totalDA, B and C Like 0 Discuss 0Share
StoichiometryMole–Volume Stoichiometry240Choose the best answerSodium reacts with water: 2Na + 2H₂O → 2NaOH + H₂ What volume of H₂ at STP is produced by 20 mol Na?A762 LB112 LC448 LD224 L Like 0 Discuss 0Share