Acetone (Mw = 58

question 3

Multiple Choice

Acetone (mw = 58.08, P25 C=232 mmHg) and butanone (mw = 72.11, P 25 C=100 mmHg) have the indicated molar masses and vapor pressures.  A container holds 1.00 kg of butanone.  How much acetone must be added to the butanone to elevate the total vapor pressure over the mixture to 125 mmHg at 25°C?

• A) 5.313 kg
• B) 290 g
• C) 188 g
• D) More information needed
• E) None of the above

---

Definitions:

Alfred Binet

A French psychologist best known for developing the first standardized intelligence test, which laid the foundation for modern intelligence testing.

Lewis Terman

An American psychologist best known for his revision of the Stanford-Binet Intelligence Scales and research on gifted children.

Tacit Knowledge

Knowledge that is difficult to transfer to another person by writing it down or verbalizing it.

Formal Knowledge

Pertains to information or skills acquired through structured learning or education systems.