Mole - Mole Stoichiometry

N₂ + 3H₂ → 2NH₃

How many moles of H₂ is needed to react with 2 moles of N₂?

Mathematical Equivalence

ON

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NGSS.HS-PS1-7

2H₂ + O₂ → 2H₂O

​ (a)   moles of H₂O is produced when 8 moles of H₂ reacts fully.

• 8
• 1
• 2
• 16

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NGSS.HS-PS1-7

S₈ + 12 O₂ → 8 SO₃

How many moles of S₈ is needed to produce 12 moles of SO₃?

• 1

• 1.5

• 2

• 12

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NGSS.HS-PS1-7

2 C₂H₆ + 7 O₂ → 4 CO₂ + 6 H₂O

​ (a)   moles of CO₂ is produced when 3 moles of H₂O is also produced.

• 2
• 3
• 4
• 4.5

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NGSS.HS-PS1-7

2H₂ + O₂ → 2H₂O

How many moles of O₂ is needed to produce 7 moles of H₂O?

• 1

• 2

• 3.5

• 14

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NGSS.HS-PS1-7

2 KClO₃ → 2 KCl + 3 O₂

How many moles of KCl is produced when 6.75 moles of O₂ is also produced?

• 2

• 3.5

• 4.5

• 6.75

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NGSS.HS-PS1-7

S₈ + 12 O₂ → 8 SO₃

In order for 3 moles of O₂ to react fully,​ (a)   moles of S₈ is needed.

• 0.25
• 1
• 4
• 36

N₂ + 3H₂ → 2NH₃

How many moles of N₂ is needed to produce 3.5 moles of NH₃?

• 1

• 1.5

• 1.75

• 3

Tags

NGSS.HS-PS1-7

2 C₂H₆ + 7 O₂ → 4 CO₂ + 6 H₂O

How many moles of CO₂ is produced when 17.5 moles of O₂ reacts fully?

• 4

• 7

• 10

• 30.63

4 Fe + 3 O₂ → 2 Fe₂O₃

How many moles of Fe is needed to react with 9.75 moles of O₂?

• 3

• 4

• 13

• 39