StoichiometryMole–Mole Stoichiometry1Choose the best answerHow many moles of O₂ are produced by electrolysis of 108 g H₂O? 2H₂O → 2H₂ + O₂A2.5 molB3 molC6 molD7.5 mol Like 0 Discuss 0Share
StoichiometryMole–Mole Stoichiometry2Choose the best answerHow many moles of O₂ are formed by complete decomposition of 1 mol KClO₃? 2KClO₃ → 2KCl + 3O₂A3 molB2/3 molC3/2 molD2 mol Like 0 Discuss 0Share
StoichiometryMole–Mole Stoichiometry3Choose the best answer27 g Al reacts with O₂ according to: 4Al + 3O₂ → 2Al₂O₃ How many moles of O₂ are required?A3 molB0.27 molC0.75 molD1.5 mol Like 0 Discuss 0Share
StoichiometryMole–Mole Stoichiometry4Choose the best answerOne mole of each substance is separately burnt completely in excess O₂. Which produces the greatest amount of CO₂?ACOBCCCH₄DC₂H₂ Like 0 Discuss 0Share