StoichiometryMass–Volume Stoichiometry1Choose the best answerHow many litres of H₂ at STP are produced when 6.0 g Mg reacts with excess HCl? Mg + 2HCl → MgCl₂ + H₂A22.4 LB11.2 LC5.6 LDNone of these Like 0 Discuss 0Share