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by BlastRoom
Use balanced equations to find the limiting reactant, excess left over, and theoretical yield.
#chemistry
20 questions
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For N2 + 3H2 → 2NH3, 1.00 mol N2 reacts with 2.50 mol H2. Which reactant is limiting?
In 2Na + Cl2 → 2NaCl, a mixture starts with 0.750 mol Na and 0.500 mol Cl2. Which reactant will be used up first?
A reaction follows 4Fe + 3O2 → 2Fe2O3. If 1.20 mol Fe and 1.10 mol O2 are mixed, which reactant is limiting?
For P4 + 5O2 → P4O10, 0.400 mol P4 is combined with 1.50 mol O2. What is the limiting reactant?
Use 2C2H6 + 7O2 → 4CO2 + 6H2O. With 0.300 mol C2H6 and 1.40 mol O2, which reactant limits the reaction?
For 2SO2 + O2 → 2SO3, a chemist mixes 0.800 mol SO2 with 0.300 mol O2. Which reactant is limiting?
For 2Mg + O2 → 2MgO, 10.0 g Mg reacts with 8.00 g O2. Use Mg = 24.31 g/mol and O2 = 32.00 g/mol. Which reactant is limiting?
For N2 + 3H2 → 2NH3, 28.0 g N2 reacts with 4.00 g H2. Use N2 = 28.02 g/mol and H2 = 2.02 g/mol. Which reactant is limiting?
For 2Al + 3CuCl2 → 2AlCl3 + 3Cu, 5.40 g Al reacts with 40.0 g CuCl2. Use Al = 26.98 g/mol and CuCl2 = 134.45 g/mol. Which reactant limits?
In CaCO3 + 2HCl → CaCl2 + CO2 + H2O, 25.0 g CaCO3 reacts with 10.0 g HCl. Use 100.09 g/mol and 36.46 g/mol. Which reactant is limiting?
For 2AgNO3 + Cu → Cu(NO3)2 + 2Ag, 17.0 g AgNO3 reacts with 3.00 g Cu. Use 169.87 g/mol and 63.55 g/mol. Which reactant is limiting?
For 2H2 + O2 → 2H2O, 6.00 mol H2 reacts with 2.50 mol O2. How much H2 remains after the reaction is complete?
In 2Na + Cl2 → 2NaCl, 1.20 mol Na is mixed with 0.800 mol Cl2. How many moles of Cl2 remain?
For 4Al + 3O2 → 2Al2O3, 1.00 mol Al reacts with 1.00 mol O2. What amount of O2 remains after all the Al is used?
Use CaCO3 + 2HCl → CaCl2 + CO2 + H2O. If 0.300 mol CaCO3 reacts with 0.500 mol HCl, how much CaCO3 remains?
For 2Mg + O2 → 2MgO, 12.0 g Mg reacts with 12.0 g O2. Use Mg = 24.31 g/mol and O2 = 32.00 g/mol. What mass of O2 remains?
For 4Al + 3O2 → 2Al2O3, 0.600 mol Al reacts with 0.500 mol O2. What theoretical mass of Al2O3 forms? Use 101.96 g/mol.
For N2 + 3H2 → 2NH3, 5.60 g N2 reacts with 1.00 g H2. Use N2 = 28.02 g/mol, H2 = 2.02 g/mol, and NH3 = 17.03 g/mol. What mass of NH3 can form?
For 2K + Br2 → 2KBr, 3.00 mol K reacts with 2.00 mol Br2. What theoretical mass of KBr forms? Use KBr = 119.00 g/mol.
For CH4 + 2O2 → CO2 + 2H2O, 8.00 g CH4 reacts with 40.0 g O2 (CH4 = 16.04, O2 = 32.00, CO2 = 44.01 g/mol). What mass of CO2 forms?
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Gas Stoichiometry
18 questions
