What Volume of Water Must Be Added to 14 $\times$ 10³ mL
D) 37 ML
E) 85 ML

question 73

Multiple Choice

What volume of water must be added to 14.8 mL of a pH 2.0 solution of HNO₃ in order to change the pH to 4.0?

• A) 14.8 mL
• B) 147 mL
• C) 1.47 \(\times\) 10³ mL
• D) 37 mL
• E) 85 mL

---

Definitions:

Pneumonectomy

Surgical removal of one lobe or more, or even an entire lung, usually to treat lung disease or lung cancer.

Post-anaesthesia

The phase of recovery following the administration of anaesthesia, focusing on patient monitoring and care.

Semi-Fowlers

A position in which a patient is lying on their back with the head and torso elevated at a 30-45 degree angle, often used to promote respiratory function and prevent aspiration.

Complete Blood Count (CBC)

A blood test that evaluates overall health and detects a variety of disorders, including anemia, infection, and leukemia.