Chemistry

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

Key Concept Explanation
The empirical formula is derived by converting the percentages of each element to moles, finding the mole ratio, and then simplifying the ratio to the smallest whole numbers.

Step-by-step Solution
1. Assume a 100 g sample
Mass of
Mass of
Mass of
2. Convert mass to moles
Moles of
Moles of
Moles of