Question

Empirical formula of a compound whose empirical formula weight is 83.

Options

• C₂H₃O₂

• C₄H₃O₂

• C₂H₄O₃

• C₃H₃O₂

Answer 1

C₄H₃O₂

Explanation:

Calculating the weight:

(4 × 12) + (3 × 1) + (2 × 16)

= 48 + 3 + 32

= 83