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Limiting Reagent & Percent Yield Review

Authored by Missy Esarey

Chemistry

9th - 12th Grade

NGSS covered

Used 3+ times

Limiting Reagent & Percent Yield Review
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. What is a limiting reagent?

any reactant used up first in a reaction.
any reactant left over at the end of a reaction.
the maximum amount of product formed from a given amount of reactant.
the purity of the reactant.

Tags

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

5. Which reactant is the limiting reagent and why?
2H2(g) + O2(g) 
→ 2H2O(l)

Hydrogen is the limiting reagent because two moles of hydrogen is required for every one mole of oxygen to produce two water.
Oxygen is the limiting reagent because two moles of hydrogen is required for every one mole of oxygen to produce two water.

Tags

NGSS.HS-PS1-7

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

6. What is theoretical yield?

the maximum amount of product that could be formed from a given amount of reactant.
the amount of product that actually forms when a chemical reaction is carried out in a laboratory.
the efficiency of a particular chemical reaction within the respective conditions.
the reactant that is used up first in a reaction.

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

7. The amount of product that actually forms when a chemical reaction is carried out in a laboratory is called the _________ yield.

actual
theoretical
percent

Tags

NGSS.HS-PS1-7

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or False?
The actual yield is usually greater than the theoretical yield.

False
True

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

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

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

4NH3+6NO --> 5N2 + 6H2O


What is the limiting reactant if 10 moles of NH3 react with 30.0 moles of NO?

NH3

NO

N2

water

Tags

NGSS.HS-PS1-7

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