What Is the PH of a Solution Prepared by Mixing

question 148

Multiple Choice

What is the pH of a solution prepared by mixing 100. mL of 0.0500 M HCl with 300. mL of 0.500 M HF? [K_a(HF) = 7.1 * 10^-4]

• A) 1.47
• B) 1.90
• C) 1.30
• D) 1.63
• E) 2.82

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Definitions:

Inefficient Contraction

Inadequate tightening or shortening of muscle fibers, often referring to the heart muscle, which impairs the heart's ability to pump blood effectively.

Peripheral Pulse

The pulse felt at points on the body where arteries are close to the skin, such as the wrist or neck, indicative of the heartbeat and blood circulation efficiency.

Manual Blood Pressure

The measurement of blood pressure using a cuff, sphygmomanometer, and stethoscope, typically performed by a healthcare professional.

Petechiae

Tiny, round spots that appear on the skin as a result of bleeding under the skin.