Mole Ratios
Authored by Lesli Wertin
Chemistry
10th - 12th Grade
NGSS covered
Used 229+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In the equation 2 Al2O3 --> 4 Al + 3 O2, what is the mole ratio of aluminum to oxygen?
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What can be determined from a balanced chemical equation?
Tags
NGSS.HS-PS1-7
NGSS.HS-PS1-4
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
N2 + 3H2 → 2NH3
What is the mole ratio between Nitrogen and Ammonium in the above reaction?
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
4NH3 + 5O2-->4NO + 6H2O
What is the total number of moles of H2O produced when 12 mole of NH3 is completely consumed?
Tags
NGSS.HS-PS1-7
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
H2+Cl2-->2HCl
How many moles of Cl2 are needed to react with 3 moles of H2?
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a mole ratio?
An animal that burrows underground.
How many moles of reactant are used up in a chemical reaction.
The ratio of a reactant / product to a different one - compared by the number of particles.
The process by which we multiply fractions by using numbers from a chemistry problem.
Tags
NGSS.HS-PS1-7
7.
MULTIPLE CHOICE QUESTION
30 sec • 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.
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