Mole to Mole Conversions Quiz

2Fe (s) + 3Cl₂ (g) ---> 2FeCl₃

How many moles of Iron (Fe) are required to react with 3 moles of chlorine gas (Cl₂)?

4Cr + 3O₂ ---> 2Cr₂O₃

How many moles of oxygen gas (O₂) are required to react with 4 moles of chromium (Cr)?

4Cr + 3O₂ ---> 2Cr₂O₃

How many moles of oxygen (O₂) are required to react with 8 moles of chromium (Cr)?

2NaClO₃ (aq) ---> 2NaCl (aq) + 3O₂ (g)

How many moles of sodium chloride (NaCl) are produced if 2 moles of sodium chlorate (NaClO₃) react?

2Na (s) + 2H₂O (l) ---> 2NaOH (aq) + H₂ (g)

How many moles of hydrogen (H₂) gas are produced if 4 moles of sodium (Na) react?

P₄ (s) + 5O₂ (g) ---> 2(P₂O₅)

How many moles of Phosphorus (P) are required to react with 10 moles of oxygen gas (O₂)?

CH₄ (g) + 2O₂ (g) → CO₂ (g) + 2H₂O (l)

If you have 3 moles of methane (CH₄), how many moles of oxygen (O₂) are required for complete combustion?

CaCO₃ (s) → CaO (s) + CO₂ (g)

If you start with 5 moles of calcium carbonate (CaCO₃), how many moles of calcium oxide (CaO) will be produced?

N₂ + 3H₂ → 2NH₃

If you have 2 moles of nitrogen (N₂), how many moles of ammonia (NH₃) can be produced?

4 FeCr₂O₇ + 8 K₂CO₃ + 1 O₂ --->  2 Fe₂O₃ + 8 K₂CrO₄ + 8 CO₂

How many moles of FeCr₂O₇ are required to produce 44 moles of CO₂?