What is stoichiometry?
Stoichiometry - Section 1 Exam

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Chemistry
•
9th - 12th Grade
•
Hard
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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
Define molar mass.
Back
Molar mass is the mass of one mole of a substance, typically expressed in grams per mole (g/mol).
3.
FLASHCARD QUESTION
Front
How do you calculate the molar mass of a compound?
Back
To calculate the molar mass, sum the atomic masses of all the atoms in the compound's formula.
4.
FLASHCARD QUESTION
Front
What is Avogadro's number?
Back
Avogadro's number is 6.022 x 10^23, which is the number of molecules in one mole of a substance.
5.
FLASHCARD QUESTION
Front
Calculate the molar mass of AuCl3.
Back
303.3 g/mol.
6.
FLASHCARD QUESTION
Front
What is the number of molecules in 0.5 moles of water (H₂O)?
Back
3.011 x 10^23 molecules.
7.
FLASHCARD QUESTION
Front
Define percent composition.
Back
Percent composition is the percentage by mass of each element in a compound.
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