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Which of the following is a correct empirical formula if the ratio is 1:1:3?

CCl3
CFCl3
FeS3
K3CO3

1 Answer

1 vote

Answer:

The correct empirical formula, if the ratio is 1:1:3, is: FeS3

Step-by-step explanation:

In this case, the empirical formula indicates the simplest whole-number ratio of atoms present in a compound. The ratio 1:1:3 means that for every 1 atom of the first element, there is 1 atom of the second element and 3 atoms of the third element. Among the options provided, FeS3 is the only one that fits this ratio.

User Michael McCauley
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