What is stoichiometry?
Mass to Mass Stoichiometry Practice

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•
Chemistry
•
10th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
Stoichiometry is the branch of chemistry that deals with the calculation of reactants and products in chemical reactions based on the conservation of mass.
2.
FLASHCARD QUESTION
Front
What is the mole concept?
Back
The mole is a unit of measurement in chemistry that represents 6.022 x 10²³ particles (atoms, molecules, ions, etc.). It allows chemists to count quantities of substances.
3.
FLASHCARD QUESTION
Front
How do you convert grams to moles?
Back
To convert grams to moles, divide the mass of the substance (in grams) by its molar mass (in g/mol). Formula: Moles = Mass (g) / Molar Mass (g/mol).
4.
FLASHCARD QUESTION
Front
What is the balanced equation for the reaction of sodium with water?
Back
2Na + 2H₂O → 2NaOH + H₂.
5.
FLASHCARD QUESTION
Front
How do you determine the limiting reactant in a chemical reaction?
Back
The limiting reactant is the substance that is completely consumed first in a chemical reaction, limiting the amount of product formed. It can be determined by comparing the mole ratio of reactants used in the balanced equation.
6.
FLASHCARD QUESTION
Front
What is the molar mass of water (H₂O)?
Back
The molar mass of water is approximately 18.02 g/mol.
7.
FLASHCARD QUESTION
Front
How do you calculate the mass of a product formed in a reaction?
Back
To calculate the mass of a product, use the mole ratio from the balanced equation and the molar mass of the product. Formula: Mass = Moles × Molar Mass.
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