In the reaction P₄ + 6Cl₂ → 4PCl₃, 1 mole of P₄ is mixed with 9 moles of Cl₂. The moles of PCl₃ formed are: 4 moles 6 moles 9 moles 1.5 moles Limiting and Excess Reactants
22.4 dm³ of N₂ (1 mol) and 44.8 dm³ of H₂ (2 mol) are reacted (N₂ + 3H₂ → 2NH₃) at STP. The volume of NH₃ produced is: 22.4 dm³ 44.8 dm³ 14.9 dm³ 29.8 dm³ Limiting and Excess Reactants
From the reaction above (160g Fe₂O₃ and 56g CO), the mass of iron (Fe) produced is approximately: 56 g 112 g 74.7 g 37.3 g Limiting and Excess Reactants
In the reaction Fe₂O₃ + 3CO → 2Fe + 3CO₂, if 160 g of Fe₂O₃ (1 mol) reacts with 56 g of CO (2 mol), the limiting reactant is: Fe₂O₃ CO Fe CO₂ Limiting and Excess Reactants
6 moles of HCl are reacted with 2 moles of Al (2Al + 6HCl → 2AlCl₃ + 3H₂). The maximum moles of H₂ produced are: 2 moles 3 moles 6 moles 1 mole Limiting and Excess Reactants
From the reaction above (12g Mg and 16g O₂), the mass of O₂ left over is: 4 g 8 g 12 g 0 g Limiting and Excess Reactants
1 mole of SO₂ and 1 mole of O₂ are reacted (2SO₂ + O₂ → 2SO₃). The moles of excess reactant (O₂) left are: 0.5 moles 1 mole 0.25 moles 0.75 moles Limiting and Excess Reactants
In the reaction 2Mg + O₂ → 2MgO, 12 g of Mg (0.5 mol) is burned in a container with 16 g of O₂ (0.5 mol). The mass of MgO formed is: 12 g 16 g 20 g 28 g Limiting and Excess Reactants
From the reaction above (27g Al and 100g O₂), the moles of Al₂O₃ produced are: 1 mole 2 moles 0.5 moles 3 moles Limiting and Excess Reactants
When 27 g of Al (1 mol) reacts with 100 g of O₂ (3.125 mol) in 4Al + 3O₂ → 2Al₂O₃, the limiting reactant is: Al O₂ Al₂O₃ Neither Limiting and Excess Reactants
For 2Na + Cl₂ → 2NaCl, if 4.6 g of Na (0.2 mol) reacts with 7.1 g of Cl₂ (0.1 mol), the mass of NaCl formed is: 11.7 g 5.85 g 23.4 g 4.6 g Limiting and Excess Reactants
5.6 dm³ of H₂ (0.25 mol) and 5.6 dm³ of Cl₂ (0.25 mol) react to form HCl at STP (H₂ + Cl₂ → 2HCl). The volume of HCl formed is: 5.6 dm³ 11.2 dm³ 22.4 dm³ 2.8 dm³ Limiting and Excess Reactants
5 moles of A react with 12 moles of B according to the equation 2A + 3B → C. The maximum moles of C produced are: 2.5 moles 4 moles 8 moles 5 moles Limiting and Excess Reactants
In the reaction above (16g CH₄ and 32g O₂), the mass of the excess reactant (CH₄) left unreacted is: 16 g 12 g 8 g 4 g Limiting and Excess Reactants
For CH₄ + 2O₂ → CO₂ + 2H₂O, 16 g of CH₄ (1 mole) is mixed with 32 g of O₂ (1 mole). The maximum moles of CO₂ produced are: 1 mole 0.5 moles 2 moles 4 moles Limiting and Excess Reactants
For C + O₂ → CO₂, if 6 g of C (0.5 mol) is burned in 16 g of O₂ (0.5 mol), the volume of CO₂ produced at STP is: 5.6 dm³ 11.2 dm³ 22.4 dm³ 44.8 dm³ Limiting and Excess Reactants
In the reaction Zn + 2HCl → ZnCl₂ + H₂, 65g of Zn (1 mole) is reacted with 73g of HCl (2 moles). The moles of H₂ produced are: 0.5 moles 1 mole 2 moles 4 moles Limiting and Excess Reactants
In the reaction above (10g H₂ and 64g O₂), the mass of the excess reactant (H₂) left over is: 2 g 4 g 6 g 8 g Limiting and Excess Reactants
For N₂ + 3H₂ → 2NH₃, if 28g of N₂ (1 mole) reacts with 9g of H₂ (4.5 moles), the mass of NH₃ produced is: 17 g 34 g 51 g 9 g Limiting and Excess Reactants
