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Identifying Limiting Reactants

Authored by Hank Jordan

Chemistry

9th - 12th Grade

NGSS covered

Used 1+ times

Identifying Limiting Reactants
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8 questions

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1.

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

Oxygen
C10H8
Water
Carbon Dioxide

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

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

3.

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

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

CH4 + 2H2O --> CO+ 4H2
What is the limiting reactant when 20g CHreact with 15g H2O?

CH4
H2O
CO2
H2

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

SO+ PCl--> SOCl+ POCl3
How much SOClis produced when 16.2g SOreact with 13.7g PCl5? 

7.87g
30.1g
26.4g
19.8g 

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the limiting reactant if 16 moles of NH3 and 30.0 moles of NO are combined?

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

NH3

NO

N2

water

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