Nomenclature, Molar Mass, % Composition

Flashcard
•
Chemistry
•
11th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the percent composition of a compound?
Back
The percent composition of a compound is the percentage by mass of each element in the compound, calculated by dividing the mass of each element by the total molar mass of the compound and multiplying by 100.
2.
FLASHCARD QUESTION
Front
How do you calculate the molar mass of a compound?
Back
To calculate the molar mass of a compound, sum the atomic masses of all the atoms in the molecular formula, using the periodic table for atomic weights.
3.
FLASHCARD QUESTION
Front
What is the molar mass of Copper (II) Nitrate (Cu(NO3)2)?
Back
The molar mass of Copper (II) Nitrate is 187.56 g/mol.
4.
FLASHCARD QUESTION
Front
What is the correct name for BrO3?
Back
The correct name for BrO3 is bromine trioxide.
5.
FLASHCARD QUESTION
Front
What is the formula for calculating percent composition?
Back
Percent Composition = (mass of element in 1 mole of compound / molar mass of compound) x 100.
6.
FLASHCARD QUESTION
Front
What is the molar mass of Sulfur (S)?
Back
The molar mass of Sulfur is approximately 32.07 g/mol.
7.
FLASHCARD QUESTION
Front
What is the name of N3O3?
Back
The name of N3O3 is trinitrogen trioxide.
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