A Gas Consists of 85 $\degree$ C Calculate Its Empirical and Molecular Formulas

question 87

Multiple Choice

A gas consists of 85.7 % carbon and 14.3% hydrogen, by weight. A sample of this gas weighing 0.673 g occupies 729 mL at a pressure of 720.0 mmHg and a temperature of 77 $\degree$ C. Calculate its empirical and molecular formulas.

• A) CH, C₂H₂
• B) CH₂, C₂H₄
• C) CH₂, C₃H₆
• D) CH₃, C₂H₆
• E) CH₄, CH₄

---

Definitions:

Compensating Differential

Additional payment or benefit given to an employee to offset or compensate for undesirable aspects of a job.

Base Pay

The initial rate of compensation that an employee receives before any bonuses, benefits, or raises are added.

Skill

The ability, coming from one's knowledge, practice, aptitude, etc., to do something well.

Prestigious

Associated with high status, esteem, or importance.