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Course: AP??/College Chemistry?>?Unit 1
Lesson 3: Elemental composition of pure substances- Empirical, molecular, and structural formulas
- Worked example: Calculating mass percent
- Worked example: Determining an empirical formula from percent composition data
- Worked example: Determining an empirical formula from combustion data
- Elemental composition of pure substances
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Elemental composition of pure substances
You might need: Periodic table
Problem
A sample of a compound contains of , of , and of .
Which of the following is the empirical formula of the compound?