A Solution Is Prepared by Adding 1

question 21

Multiple Choice

A solution is prepared by adding 1.43 mol of KCl to 889 g of water. The concentration of KCl is
Molal.

• A) 622
• B) 0.622
• C) 1.61 × 10^{- 3}
• D) 1.27 × 10³
• E) 1.61

---

Definitions:

Spread of Infection

The process by which infectious agents transmit from one individual to another, through direct or indirect means.

Airborne Microbes

Microorganisms that are transmitted through the air and can cause diseases when inhaled by humans or animals.

Contaminated Equipment

Tools or materials that have been exposed to harmful substances, bacteria, or pathogens, posing a risk of infection.

Immunoglobulin Levels

The concentration of immunoglobulins, which are antibodies in the blood plasma, indicating the health of the immune system and its ability to respond to pathogens.