Why is it crucial to start with a balanced chemical equation in stoichiometry problems?

Mole to Mass Stoichiometry Practice Problems

Interactive Video
•
Chemistry
•
6th - 10th Grade
•
Hard

Amelia Wright
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To determine the physical state of the products
To ensure the reaction proceeds at maximum speed
To accurately calculate the molar mass of compounds
To correctly apply the mole ratios in calculations
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of balancing the chemical equation in stoichiometry?
To calculate reaction rates
To ensure conservation of mass
To simplify the equation
To identify limiting reactants
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in converting moles of a substance to grams in stoichiometry problems?
Balance the chemical equation
Calculate the molar mass of the substance
Start with the given number of moles
Determine the mole ratio from the balanced equation
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the 'two T's in our bridge' refer to in the problem-solving process?
Two temperatures at which the reaction occurs
Two types of conversions: mole to mole and mole to grams
Two theoretical yields for comparison
Two trials needed to get the correct answer
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What ratio is used to convert moles of a starting compound to moles of a desired compound?
Mass ratio
Density ratio
Volume ratio
Mole ratio
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many grams of CO2 are produced from 3.2 moles of carbon?
18.02 grams
140.83 grams
422.5 grams
44.1 grams
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the conversion process, what does the diagonal down step ensure?
The products are gases
The reactants are in excess
The calculation is done at standard temperature and pressure
The units on both sides of the equation match
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