Percent Composition
Flashcard
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
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20 questions
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1.
FLASHCARD QUESTION
Front
What percentage of the total atomic mass of carbon monoxide (CO) is composed of carbon?
Back
43%
2.
FLASHCARD QUESTION
Front
What percentage of the total atomic mass of carbon monoxide (CO) is composed of oxygen?
Back
57%
3.
FLASHCARD QUESTION
Front
What percentage of the total atomic mass of magnesium bromide (MgBr2) is composed of magnesium?
Back
13%
4.
FLASHCARD QUESTION
Front
What percentage of the total atomic mass of magnesium bromide (MgBr2) is composed of bromine?
Back
87%
5.
FLASHCARD QUESTION
Front
Lithium phosphide (Li3P): Does lithium or phosphorus make up more of the total atomic mass?
Back
phosphorus
6.
FLASHCARD QUESTION
Front
What percentage of the total atomic mass of lithium phosphide (Li3P) is composed of phosphorus?
Back
60%
7.
FLASHCARD QUESTION
Front
What percentage of the total atomic mass of calcium nitrate (Ca(NO3)2) is composed of nitrogen? Hint - another way to think of calcium nitrate is Ca(NO3)(NO3).
Back
17%
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