Why is it important to balance chemical equations before finding mole ratios?

Stoichiometry and Mole Ratios

Interactive Video
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Chemistry
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9th - 10th Grade
•
Hard

Liam Anderson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To decrease the number of products
To increase the number of reactants
To ensure the law of conservation of mass is followed
To make the equation look neat
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mole ratio of H2 to Cl2 in the balanced equation?
2:2
1:2
2:1
1:1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the balanced equation, what is the mole ratio of Cl2 to HCl?
2:2
1:1
1:2
2:1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you start with 0.32 moles of H2, how many moles of HCl are produced?
1.28 moles
0.64 moles
0.32 moles
0.16 moles
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving stoichiometry problems using mole ratios?
Guess the answer
Balance the chemical equation
Add more reactants
Remove some products
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you solve for the number of moles of a product using cross-multiplication?
By subtracting the products
By adding the reactants
By using the mole ratio and cross-multiplying
By guessing the answer
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using conversion factors in stoichiometry?
To make the equation longer
To convert moles to grams
To increase the number of products
To simplify calculations using mole ratios
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