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Limiting Reactant Review

Authored by Kimberly McCarter

Chemistry

11th Grade

NGSS covered

Used 16+ times

Limiting Reactant Review
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30 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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

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

NH3

NO

N2

water

Tags

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

P+ 3O--> P4O
What is the limiting reactant is 12 moles of Preact with 15 moles of O2?

P4
O2
P4O
none of the above

Tags

NGSS.HS-PS1-7

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

When 12 moles of O2 reacts with 1.1 mole of C10H8 what is the limiting reactant? C10H8 + 12 O2 --> 10 CO2 + 4 H2O (Notice that you're given the moles and not grams)

Oxygen

C10H8

Water

Carbon Dioxide

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When does a chemical reaction stop?

When the lab is finished
When the excess reactant is used up
When the limiting reactant is used up
Chemical reactions never stop

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If 15 grams of copper (II) chloride react with 20 grams of sodium nitrate, how much sodium chloride can be formed? (Choose the amount that the limiting reactant will allow to be made)

CuCl2 + 2 NaNO3 --> 2 NaCl + Cu(NO3)2

13.04 g

13.04 moles

13.75 g

58.44 g

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many grams of ammonia (NH3) can be produced from the reaction of 28 g of nitrogen gas and 25 grams of hydrogen gas? (Remember that your answer is based on the limited reaction production)

N2 + 3 H2 --> 2 NH3

43 g

34 moles

25 grams

34 grams

Tags

NGSS.HS-PS1-7

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first thing you must do to solve a stoichiometry problem?

Write a Balanced Equation
Panic
Write an Unbalanced Equation
Ask for help

Tags

NGSS.HS-PS1-7

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