Which One of the Following Aqueous Solutions Will Have a PH

question 74

Multiple Choice

Which one of the following aqueous solutions will have a pH of 2.00 at 25 °C? (K_w = 1.01 × 10^-14)

• A) 0.020 M HNO₃
• B) 2.0 M NaOH
• C) 10.0 M HBr
• D) 10.0 M KCl
• E) 0.010 M HCl

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Definitions:

Atrial Natriuretic Hormone

A hormone secreted by the heart atria that regulates blood pressure and fluid balance by affecting water and sodium excretion.

Urine Output

The volume of urine excreted by the kidneys over a given period of time, an important indicator of kidney function.

Blood Pressure

The force exerted by circulating blood upon the walls of blood vessels, essential for maintaining the flow of blood throughout the body.

Peristaltic Contractions

A series of wave-like muscle contractions that move food through the digestive tract.