StoichiometryMole Concept and Number of Molecules11Choose the best answerWhich sample contains the greatest number of H₂O molecules?A18 mL liquid waterB0.18 g waterC0.00224 L water vapour at 273 K and 1 atmD4 × 10⁻³ mol water Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Molecules12Choose the best answerApproximately how many molecules are present in 1 g H₂?A6.02 × 10²³B3.01 × 10²³C1.505 × 10²³D6.02 × 10²² Like 0 Discuss 0Share