The Normal Boiling Point of Pure Benzene Is Found to Be

question 9

Multiple Choice

The normal boiling point of pure benzene is found to be 80.10°C.What is the approximate molecular weight of a nonionizing substance if a solution of 3.55 g of the substance dissolved in 100.g of benzene has a normal boiling point of 80.19°C? K_b = 5.12°C/m for benzene,C₆H₆.

• A)20 amu
• B)500 amu
• C)2000 amu
• D)20,000 amu

---

Definitions:

Conduct Disorder

A mental disorder diagnosed in childhood or adolescence characterized by a persistent pattern of disruptive and violent behaviors.

Alcohol Abuse

The excessive and harmful consumption of alcohol, leading to addiction, disease, or other severe negative effects on one's health and life.

Physically Abused

Having suffered physical harm or injury inflicted by someone, typically in a context of power imbalance or control.

Bipolar Disorder

A mental disorder marked by extreme mood swings, including manic and depressive episodes, affecting a person's energy, behavior, and ability to function.