Stoichiometry

Stoichiometry

9th - 12th Grade

20 Qs

quiz-placeholder

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Stoichiometry

Stoichiometry

Assessment

Quiz

Chemistry

9th - 12th Grade

Medium

NGSS
HS-PS1-7

Standards-aligned

Created by

Erin Gillott

Used 169+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 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

2 mins • 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

2 mins • 1 pt

Mole ratios are obtained from the

balanced chemical equation
periodic table
molar mass

4.

MULTIPLE CHOICE QUESTION

2 mins • 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

5 mins • 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

For the reaction represented by the equation Cl2 + 2KBr → Br2 + 2KCl, how many grams of potassium chloride can be produced from 356 grams potassium bromide?

749 g
225 g
479 g
814 g

Tags

NGSS.HS-PS1-7

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How many grams are in 7.8 moles of NaCl?

476grams
460 grams
452 grams
462 grams

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