Limiting Reactant

C₁₀H₈ + 12 O₂ -> 10 CO₂ + 4 H₂O

When 12 moles of O₂ reacts with 1.1 moles of C₁₀H₈ what is the limiting reactant?  

• Oxygen

• C₁₀H₈

• Water

• Carbon Dioxide

If 7.62 g Fe reacts with 8.67 g S, what is the limiting reactant?

• Fe

• S

• FeS

• neither 

Tags

NGSS.HS-PS1-7

What is the limiting reactant when 20 g CH₄ react with 15 g H₂O?

• CH₄

• H₂O

• CO₂

• H₂

Tags

NGSS.HS-PS1-7

When converting grams of the limiting reactant to the grams of the excess reactant, the answer is the grams of excess reactant that is left.

• TRUE

• FALSE

Tags

NGSS.HS-PS1-7

Place the steps of solving for amount of excess reactant left

• determine limiting reactant

• find the given grams of the excess reactant

• set up and calculate a gram to gram conversion from limiting to excess reactant

• subtract the answer of your calculation from the given grams

Tags

NGSS.HS-PS1-7

A limiting reactant is a reactant that.....

• runs out during a chemical reaction

• causes a reaction to stop

• determines the amount of products that can be made

• all of these

Tags

NGSS.HS-PS1-7

Fe + S --> FeS
If 7.62g Fe react with 8.67g S, what is the limiting reactant?

• Fe

• S

• FeS

• none 

Tags

NGSS.HS-PS1-7

Use the equation 2 Al + 3 Cl₂ ---> 2 AlCl₃.  If 2 moles of aluminum and 2 moles of chlorine are reacted, identify the limiting reactant.

• AlCl3

• Cl2

• Al

Tags

NGSS.HS-PS1-7

When 12 moles of O₂ reacts with 1.1 mole of C₁₀H₈ what is the limiting reactant?  C₁₀H₈ + 12 O₂ --> 10 CO₂ + 4 H₂O

• Oxygen

• C₁₀H₈

• Water

• Carbon Dioxide

Tags

NGSS.HS-PS1-7

• None