What Is the Percent Yield for the Reaction PCl₃(g) $\rightarrow$ PCl₅(g) If 119

question 54

Multiple Choice

What is the percent yield for the reaction PCl₃(g) + Cl₂(g) $\rightarrow$ PCl₅(g) if 119.3 g of PCl₅ (? = 208.2 g/mol) are formed when 61.3 g of Cl₂ (? = 70.91 g/mol) react with excess PCl₃?

• A) 195%
• B) 85.0%
• C) 66.3%
• D) 51.4%
• E) 43.7%

---

Definitions:

Chorda Tympani

A branch of the facial nerve that carries taste sensations from the anterior two-thirds of the tongue and supplies the submandibular and sublingual salivary glands.

Spiral Organ

Organ of Corti; rests on the basilar membrane and consists of the hair cells that detect sound.

Vestibulocochlear Nerve

The eighth cranial nerve, responsible for transmitting sound and equilibrium (balance) information from the inner ear to the brain.

Cochlear

Relating to the cochlea, the spiral-shaped, inner ear structure essential for hearing.