
Stoichiometry and Mole Ratios

Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of using mole ratios in chemical equations?
To predict the amount of products formed
To measure the temperature of reactions
To determine the color of compounds
To identify the smell of chemicals
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the cookie recipe analogy, what does the 'one to two' relationship represent?
One cup of flour to two cups of sugar
One cup of butter to two cups of chocolate chips
One egg to two cups of milk
One teaspoon of vanilla to two teaspoons of salt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are coefficients in chemical equations similar to recipe measurements?
They determine the cooking time
They indicate the color of ingredients
They represent the proportions of reactants
They show the temperature needed
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does 'two moles of sodium and one mole of chlorine' produce in a chemical reaction?
Two moles of sodium chloride
Three moles of water
One mole of hydrogen
Four moles of oxygen
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you want to make 10 moles of a product, how do you adjust the reactants?
Subtract 5 moles from each reactant
Add 10 moles of each reactant
Multiply the reactants by 5
Divide the reactants by 10
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mole ratio of O2 to CO2 in the given reaction?
5:3
3:5
1:2
2:1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you set up a conversion problem using mole ratios?
By measuring the temperature
By using the coefficients as conversion factors
By counting the atoms
By guessing the amounts
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