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Stoichiometry Review

Authored by Stephanie Earhart

Chemistry

11th Grade

NGSS covered

Used 20+ times

Stoichiometry Review
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10 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

If a chemist calculates the maximum amount of product that could be obtained in a chemical reaction, he or she is calculating the

theoretical yield
mole ratio
actual yield
percentage yield

Tags

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the measured amount of a product obtained from a chemical reaction?

mole ratio
theoretical yield
percentage yield
actual yield

Tags

NGSS.HS-PS1-7

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Mole ratios are obtained from the

balanced chemical equation
periodic table
molar mass

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the mole ratio of H2O to H3PO4 in the following chemical equation?   P4O10 + 6 H2O --> 4 H3PO

6:4
4:6
1:3
3:1

Tags

NGSS.HS-PS1-7

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2Al + 3H2SO4 -> Al2(SO4)3 + 3H2
How many grams of aluminum sulfate would be formed if 250g H2SO4 completely reacted with aluminum?

0.85 g
290 g
450 g
870 g

Tags

NGSS.HS-PS1-7

6.

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

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many grams are in 7.8 moles of NaCl?

476 grams

460 grams

452 grams

462 grams

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