객관식
Which term represents the simplest whole number ratio of atoms of the elements in a compound?
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3. Chemical Reactions
Empirical Formula
Multiple Choice
How many different elements are present in the empirical formula of aspirin (C9H8O4)?
A
4
B
2
C
3
D
5
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검증된 단계별 안내1
Identify the empirical formula given for aspirin, which is C9H8O4.
Recognize that the empirical formula shows the types and numbers of atoms of each element in the compound.
List the different elements present in the formula: Carbon (C), Hydrogen (H), and Oxygen (O).
Count the number of unique elements listed, which are C, H, and O.
Conclude that the number of different elements in the empirical formula of aspirin is 3.
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