Chemistry

Question Analysis
This question tests the student's ability to determine the empirical formula from the percent composition of a compound.

Key Concept Explanation
To find the empirical formula, convert the percentages to grams, then to moles, and finally find the simplest whole-number ratio of the elements.

Step-by-step Solution
Molar masses: , ,
1. Assume 100 g sample:
Mass of , Mass of , Mass of
2. Convert to moles:
Moles of
Moles of

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