You Have 75

question 32

Multiple Choice

You have 75.0 mL of 0.17 M HA.After adding 30.0 mL of 0.10 M NaOH,the pH is 5.50.What is the K_a value of HA?

• A) 3.2 × 10^-6
• B) 9.7 × 10^-7
• C) 0.31
• D) 7.4 × 10^-7
• E) none of these

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Definitions:

Lower Back

The lumbar region of the spine that supports much of the body's weight and is often a common area for pain.

Gastrocnemius

A significant muscle in the calf that plays a crucial role in the activities of walking, running, and jumping, aiding in the motion of both the ankle and the knee.

Heavy Weight

Refers to objects of a substantial mass, often used in the context of lifting weights in exercise or strength training.

SITS Muscles

Acronym for Supraspinatus, Infraspinatus, Teres Minor, and Subscapularis; a group of muscles that form part of the rotator cuff in the shoulder.