Mole Ratios

Mole Ratios

100

What is the mole ratio for N₂ to NH₃:

N₂ + 3H₂  → 2NH₃

1:2

200

What is the mole ratio for NH₃ to H₂:

N₂ + 3H₂  → 2NH₃

2:3

300

What is the mole ratio of KClO₃ to KCl?

2KClO₃ → 2KCl + 3O₂

2:2 or 1:1

400

What is the mole ratio of O₂ to KCl?

2KClO₃ → 2KCl + 3O₂

3:2

500

What is the mole ratio of C₃H₈ to H₂?

C₃H₈ + 5O₂ → 3CO₂ + 4H₂

1:4

Mole Ratios Part II

100

How many moles of hydrogen can be produced from 4 moles of zinc?

Zn + 2HCl → ZnCl₂ + H₂

4 moles

200

How many moles of hydrogen can be produced from 4 moles of hydrochloric acid (HCl)?

Zn + 2HCl → ZnCl₂ + H₂

2 moles

300

How many moles of oxygen are needed to produce 8 moles of hydrogen?

C₃H₈ + 5O₂ → 3CO₂ + 4H₂

10 moles

400

How many moles of oxygen are needed to produce 9 moles of carbon dioxide?

C₃H₈ + 5O₂ → 3CO₂ + 4H₂

15 moles

500

How many moles of hydrogen can be produced from 2.5 moles of oxygen?

C₃H₈ + 5O₂ → 3CO₂ + 4H₂

2 moles