StoichiometryMolar Volume and Number of Molecules1Choose the best answerHow many molecules are present in 56 dm³ O₂ at STP (273 K and 1 atm)?A6.02 × 10²³B3.01 × 10²³C1.505 × 10²³D1.505 × 10²⁴ Like 0 Discuss 0Share