00800 G of a Compound with the Empirical Formula C₂H₂N

question 10

Multiple Choice

0.0800 g of a compound with the empirical formula C₂H₂N is dissolved in 10.00 g benzene. The resulting solution freezes at 4.99°C. Benzene freezes at 5.48°C and has a freezing point depression constant of Kf = 4.90°C/m. What is the molecular formula of the compound?

• A) C₃H₂N
• B) C₃H₃N
• C) C₄H₄N₂
• D) C₆H₆N₃
• E) C₈H₈N₄

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Definitions:

Waiting Period

A designated time frame individuals must wait before an action can take effect or a decision is finalized, often used in contexts like insurance, legal processes, or employment.

Conceive

The process of becoming pregnant involving the fertilization of an egg by sperm, or the formation of an idea or plan in the mind.

Unprotected Intercourse

Sexual activity without the use of contraceptives or barriers, increasing the risk of sexually transmitted infections (STIs) and unintended pregnancy.

Infertility

A medical condition in which an individual or couple is unable to conceive after 12 months of regular, unprotected sexual intercourse.