What Is the Empirical Formula of C₈H₆O₃

question 76

Multiple Choice

What is the empirical formula of C₈H₆O₃?

• A) CHO
• B) C₄H₃O
• C) C₄H₃O₂
• D) C₈H₆O₃

---

Definitions:

Percussion and Vibration

Techniques used in respiratory therapy involving tapping on the chest and vibrating the chest wall to loosen and mobilize secretions in the lungs.

Elevated

Refers to an increase or higher-than-normal level in medical or environmental contexts, such as elevated blood pressure or elevated terrain.

Acapella Device

A respiratory therapy tool designed to help patients clear mucus from the airways by providing vibration and resistance during exhalation.

Exhale Slowly

A breathing technique often advised to reduce stress or improve lung function, involving a controlled and gradual release of breath.