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Stoichiometry Retest

Authored by Savanna Burks

Chemistry

9th - 12th Grade

NGSS covered

Used 3+ times

Stoichiometry Retest
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The starting materials in a chemical equation.

mole

reactants

stoichiometry

mole ratio

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The coefficients of a balanced equation tell us the relative number of ____.

grams of reactants and products.

molecules of reactants and products.

moles of reactants and products.

liters of reactants and products.

Tags

NGSS.HS-PS1-7

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Conversion factor that allows you to convert between moles of one compound and moles of another compound.

mole

reactants

stoichiometry

mole ratio

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the reaction CH4 + 2O2 → CO2 + 2H2O , how many moles of water are produced with 2 moles of CH4?

1

2

3

4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Given the following equation, how many moles of ammonia (NH3) are formed?

N2 + 3H2 → 2NH3

1

2

3

4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many moles of water are produced when 3.75 moles of oxygen are used? 2 H2 + O2 → 2 H2O

16.0 moles H2O

7.5 moles H2O

5.75 moles H2O

2 moles H2O

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What mass of hydrogen is required to produce 25.0 moles of water?

2H2 + O2 → 2H2O

25 g H2

50 g H2

75 g H2

100 g H2

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