WorksheetsMastering Mole Ratios
Total questions: 30
Worksheet time: 15mins
What is the mole ratio of HClO4 to H3PO4 in the balanced chemical equation for the formation of water, 12 HClO4 + P4O10 → 4 H3PO4 + 6 Cl2O7 ?
A) 3:1
B) 1:1
C) 4:1
D) 2:1
In the combustion of propane, C₃H₈ + 5O₂ → 3CO₂ + 4H₂O, what is the mole ratio of oxygen (O2) to carbon dioxide (CO2)?
A) 5:3
B) 1:1
C) 5:4
D) 3:5
Given the balanced equation N₂ + 3H₂ → 2NH₃, what is the mole ratio of nitrogen (N2) to ammonia (NH3)?
A) 1:2
B) 1:3
C) 2:3
D) 3:2
For the reaction 2Al + 3CuSO₄ → Al₂(SO₄)₃ + 3Cu, what is the mole ratio of aluminum (Al) to copper (Cu)?
A) 2:3
B) 3:2
C) 1:1
D) 2:1
In the equation 2KClO₃ → 2KCl + 3O₂, what is the mole ratio of potassium chlorate (KClO3) to oxygen gas (O2)?
2:2
3:2
1:1
What is the mole ratio of Fe to Fe₂O₃ in the reaction 4Fe + 3O₂ → 2Fe₂O₃?
A) 4:2
B) 2:1
C) 4:3
D) 1:1
In the balanced chemical equation 2Na + Cl₂ → 2NaCl, what is the mole ratio of sodium (Na) to chlorine gas (Cl2)?
A) 1:1
B) 2:1
C) 1:2
D) 2:2
For the reaction 4 FeS + 11 O2 → 2 Fe2O3 + 8 SO2 , what is the mole ratio of Iron (II) sulfide (FeS) to Iron (III) oxide (Fe2O3)?
A) 1:1
B) 1:2
C) 2:1
D) 1:0
Given the equation 2Mg + O₂ → 2MgO, what is the mole ratio of magnesium oxide (MgO) to oxygen (O2)?
A) 2:1
B) 1:1
C) 1:2
D) 2:2
In the reaction 2H₂S + 3O₂ → 2H₂O + 2SO₂, what is the mole ratio of hydrogen sulfide (H2S) to sulfur dioxide(SO2)?
A) 1:1
B) 2:2
C) 2:3
D) 1:2
What is the mole ratio of chloric acid (HClO4) to dichlorine heptoxide (Cl2O7) in the balanced chemical equation 12 HClO4 + P4O10 → 4 H3PO4 + 6 Cl2O7 ?
A) 1:2
B) 2:1
C) 1:1
D) 2:2
For the reaction C₆H₁₂O₆ → 2C₂H₆O + 2CO₂, what is the mole ratio of glucose (C6H12O6) to ethanol (C2H6O)?
A) 1:2
B) 6:1
C) 1:1
D) 1:6
In the equation 2SO₂ + O₂ → 2SO₃, what is the mole ratio of sulfur dioxide (SO2) to sulfur trioxide (SO3)?
A) 1:1
B) 2:1
C) 1:2
D) 2:2
Given the balanced chemical equation 4NH₃ + 5O₂ → 4NO + 6H₂O, what is the mole ratio of ammonia (NH3) to water (H2O)?
A) 4:6
B) 2:3
C) 1:1.5
D) 1:1
What is the mole ratio of oxygen (O2) to nitrogen monoxide (NO) in the reaction 4NH₃ + 5O₂ → 4NO + 6H₂O?
A) 5:4
B) 1:1
C) 4:5
D) 6:4
In the reaction 3 CaCl2 + 2 Na3PO4 → Ca3(PO4)2 + 6 NaCl , what is the mole ratio of calcium chloride (CaCl2) to sodium chloride (NaCl)?
A) 2:1
B) 1:1
C) 1:2
D) 2:2
Given the balanced equation Ba3N2 + 6 HF → 3 BaF2 + 2 NH3, what is the mole ratio of hydrofluoric acid (HF) to ammonia (NH3)?
A) 1:1
B) 2:1
C) 1:2
D) 3:1
In the equation 2Al + 3CuSO₄ → Al₂(SO₄)₃ + 3Cu, what is the mole ratio of aluminum sulfate (Al2(SO4)3) to copper (Cu)?
A) 2:3
B) 3:2
C) 1:1
D) 1:3
Given the balanced equation Ba3N2 + 6 HF → 3 BaF2 + 2 NH3, what is the mole ratio of barium fluoride (BaF2) to hydrofluoric acid (HF)?
A) 1:2
B) 2:1
C) 1:1
D) 2:2
Given the balanced equation 2C + O₂ → 2CO, what is the mole ratio of carbon (C) to carbon monoxide (CO)?
A) 1:1
B) 2:1
C) 1:2
D) 2:2
For the reaction 2H₂ + 2O₂ → 2H₂O₂, what is the mole ratio of hydrogen peroxide (H2O2) to oxygen (O2)?
A) 1:2
B) 2:1
C) 1:1
D) 2:2
In the reaction 2H2O → 2H2 + O2, what is the mole ratio of water (H2O) to hydrogen (H2)?
A) 1:1
B) 2:1
C) 1:2
D) 2:2
For the reaction 2C + 2O2 → 2CO2, what is the mole ratio of carbon (C) to carbon dioxide (CO2)?
A) 1:1
B) 2:1
C) 1:2
D) 2:2
Given the balanced equation 2H2 + 2O2 → 2H2O2, what is the mole ratio of oxygen (O2) to hydrogen peroxide (H2O2)?
A) 1:1
B) 2:1
C) 1:2
D) 2:2
In the reaction 2 CaS + 2 H2O → Ca(HS)2 + Ca(OH)2, what is the mole ratio of calcium hydroxide (Ca(OH)2) to dihydrogen monoxide (H2O)?
A) 1:1
B) 2:1
C) 1:2
D) 2:2
For the reaction 2Fe + 3O2 → 2Fe2O3, what is the mole ratio of iron (Fe) to iron(III) oxide (Fe2O3)?
A) 1:1
B) 2:1
C) 1:2
D) 2:2
In the reaction 2C2H6 + 7O2 → 4CO2 + 6H2O, what is the mole ratio of ethane (C2H6) to carbon dioxide (CO2)?
A) 1:2
B) 2:1
C) 1:1
D) 2:2
In the reaction 2H2 + O2 → 2H2O, what is the mole ratio of oxygen (O2) to hydrogen (H2)?
A) 1:2
B) 2:1
C) 1:1
D) 2:2
Given the balanced equation 2C2H6 + 7O2 → 4CO2 + 6H2O, what is the mole ratio of ethane (C2H6) to water (H2O)?
A) 1:3
B) 2:1
C) 1:1
D) 3:1
In the reaction 2Na + Cl2 → 2NaCl, what is the mole ratio of sodium (Na) to sodium chloride (NaCl)?
A) 1:1
B) 2:1
C) 1:2
D) 2:2
