Mole Ratios 2020

Mole Ratios 2020

10th - 12th Grade

15 Qs

quiz-placeholder

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Mole Ratios 2020

Mole Ratios 2020

Assessment

Quiz

Chemistry

10th - 12th Grade

Medium

NGSS
HS-PS1-7, HS-PS1-4

Standards-aligned

Created by

Ashley Nelon

Used 55+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What can be determined from a balanced chemical equation?
Mole ratio of any two substances in the reaction
Energy released in the reaction.
Electron configuration of all elements in the reaction. 
Mechanism involved in the reaction. 

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

N2 + 3H2 → 2NH3

What is the mole ratio between Nitrogen and Ammonium (NH3) in the above reaction?

1 moles NH3 / 2 moles N2

2 moles NH3 / 1 moles N2

2 moles N2 / 3 moles NH3

1 moles N2 / 3 moles NH3

Tags

NGSS.HS-PS1-7

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

3 Mg + 1 Fe2O3 → 3 MgO + 2 Fe

What is the ratio of moles of Mg to moles Fe?

3mol Mg / 2 mol Fe

2 mol Mg/ 3 mol Fe

1 mol Fe/ 2 mol Fe

3 mol MgO / 2 mol Fe

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

2 C2H6 + 7 O2 → 4 CO2 + 6 H2O

Ethane (C2H6) combusts in the above reaction. What is the mole ratio of ethane to oxygen gas?

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Tags

NGSS.HS-PS1-7

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

2 C2H6 + 7 O2 → 4 CO2 + 6 H2O

Ethane (C2H6) combusts in the above reaction. What is the mole ratio of carbon dioxide to water?

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Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Where are the numbers for a mole ratio found?

They are part of the chemical formulas for the reactants / products.

They are given in the problem.

They are found on the periodic table for those elements.

They are found as coefficients in the reaction's balanced chemical equation.

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

2 C2H6 + 7 O2 → 4 CO2 + 6 H2O

A problem asks how many moles of oxygen gas are needed to react completely with 6 moles of ethane (C2H6). What is the first step in setting up the problem?

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Tags

NGSS.HS-PS1-7

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