A Solution Is Prepared by Adding 30

question 46

Multiple Choice

A solution is prepared by adding 30.00 g of lactose (milk sugar) to 110.0 g of water at 55 °C. The partial pressure of water above the solution is torr. The vapor pressure of pure water at 55 °C is 118 torr. The MW of lactose is 342.3 g/mol.

• A) 169.4
• B) 1.670
• C) 92.7
• D) 94.1
• E) 116.3

---

Definitions:

RTI

Response to Intervention, a multi-tier approach to the early identification and support of students with learning and behavior needs.

"Wait to Fail"

An approach where intervention is delayed until a clear failure is evident, often criticized for not offering support early enough to those who struggle.

IEP

Individualized Education Program, a plan or program developed to ensure that a child who has a disability identified under the law and is attending an elementary or secondary educational institution receives specialized instruction and related services.

Desmosomes

Structures that function as cell junctions, providing adhesion and mechanical strength to tissues by linking adjacent cells together.