A Solution Is Prepared by Adding 30

question 76

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 118.0 torr. The MW of lactose is 342.3 g/mol.

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

---

Definitions:

Blood Pressure

The force exerted by circulating blood on the walls of blood vessels, a critical indicator of cardiovascular health.

Antibiotic Medication

Drugs specifically designed to treat bacterial infections by either killing bacteria or inhibiting their growth.

Therapeutic Effect

The beneficial effects of a treatment on the symptoms or course of a disease, often the goal of medical therapy.

Iron Supplement

A dietary supplement used to treat or prevent iron deficiency such as in cases of anemia.