Stoichiometry#Isotopes#Stable Isotopes11Choose the best answerWhich listed isotope is both naturally occurring and stable?A¹⁴CB¹²CC³HD²⁴Na Like 0 Discuss 0Share
StoichiometryMolar Volume at STP12Choose the best answer22.4 L H₂O vapour at STP (273 K and 1 atm) is condensed. If the density of liquid water is 1.0 g mL⁻¹, what volume of liquid water is obtained?A18 LB1 LC1 mLD18 mL Like 0 Discuss 0Share
StoichiometryMass–Mass Stoichiometry13Choose the best answerHow many grams of CO₂ are produced when 16 g CH₄ burns completely? CH₄ + 2O₂ → CO₂ + 2H₂OA44 gB22 gC11 gD5.5 g Like 0 Discuss 0Share
StoichiometryMole–Mass Stoichiometry14Choose the best answer1.5 mol O₂ reacts completely with Mg: 2Mg + O₂ → 2MgO What mass of Mg is consumed?A72 gB36 gC48 gD24 g Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms15Choose the best answerHow many chlorine atoms are present in 2 mol Cl₂?A2 × 6.02 × 10²³ atomsB35.5 × 6.02 × 10²³ atomsC2 × 10²³ atomsD4 × 6.02 × 10²³ atoms Like 0 Discuss 0Share