When 200 ML of 0

question 64

Multiple Choice

When 20.0 mL of 0.15 M hydrochloric acid is mixed with 20.0 mL of 0.10 M sodium hydroxide, the pH of the resulting solution is

• A)0.00.
• B)12.40.
• C)1.60.
• D)0.82.
• E)7.00.

---

Definitions:

Tracheostomy Tube

A tube inserted into a surgically created hole (tracheostomy) in the front of the neck and into the trachea to assist breathing.

Normal Saline Instillation

The process of introducing a salt water solution, usually isotonic to body fluids, into the body for medical purposes, such as cleansing or hydration.

Oral Endotracheal Tube

A tube inserted through the mouth into the trachea to maintain an open airway or to deliver certain medications.

Gum Line

The boundary area where the gums meet the teeth, important in dental health for identifying issues like gum disease or recession.