Final answer:
To find the empirical formulas, subscripts of the chemical formulas are divided by their greatest common divisor. For the compounds provided, the empirical formulas are NaO, C4H3O2, C6H6NO₁⁵, and C2H3Cl respectively.
Step-by-step explanation:
Finding Empirical Formulas for Compounds
The empirical formula of a compound gives the simplest whole-number ratio of the atoms of each element in the compound. To determine the empirical formula, we divide the subscripts by the greatest common divisor that gives us whole numbers.
Here are the empirical formulas for the given compounds:
A. NaO: Na₂O₂ can be simplified to NaO by dividing by the subscript 2.
B. C4H3O2: C₈H₆O₄ can be simplified to C4H3O2 by dividing by the subscript 2.
C. C6H6NO₁⁵: C₁₂H₁₁N₂O₃1 can be simplified to C6H6NO₁⁵ by dividing by the subscript 2.
D. C2H3Cl: C₄H₆Cl₂ can be simplified to C2H3Cl by dividing by the subscript 2.