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Limiting/Excess/Percent Yield

Authored by Katie Turnipseed

Chemistry

10th Grade

25 Questions

NGSS covered

Used 4+ times

Limiting/Excess/Percent Yield
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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

You need 2 pieces of bread, 1 tablespoon of peanut butter and 2 tablespoons of jelly to make a sandwich.  If you have 10 pieces of bread, 4 tablespoons of peanut butter and 20 tablespoons of jelly, what is the limiting reactant?

bread
jelly
peanut butter
sandwich

Tags

NGSS.HS-PS1-2

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Identify the limiting reagent when 6.00 moles HCl combines with 5.00 moles Mg to form MgCl2.
 
1 Mg +  2 HCl --> 1 MgCl2  +  1 H2   
 

Mg
H2
MgCl2
HCl

Tags

NGSS.HS-PS1-7

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The limiting reactant . . .

slows the reaction down.
is used up first.
is the reactant that is left over.
controls the speed of the reaction.

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Identify the limiting reagent when 6.00 g HCl combines with 5.00 g Mg to form MgCl2.

Mg + 2HCl --> MgCl2 + H2

Mg

H2

MgCl2

HCl

Tags

NGSS.HS-PS1-7

5.

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

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Silver nitrate and sodium phosphate are reacted in equal amounts of 200 g each. How many grams of silver phosphate are produced? 
3AgNO3  + Na3(PO4)  --->  Ag3(PO4)  + 3NaNO3

164 g
64 g
146 g
164 moles

Tags

NGSS.HS-PS1-7

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

CH4  +  2O2  →  CO2  +  2H2O
24 grams of CH4 was added to the above reaction. Calculate the theoretical yield of CO2.

66 grams
132 grams
33 grams
8.72

Tags

NGSS.HS-PS1-7

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