Calculate the PH When 200

question 31

Multiple Choice

Calculate the pH when 200.0 mL of a 1.00 M solution of H₂A (K_a1 = 1.0  10^-6, K_a2 = 1.0  10^-10) is titrated with the following volumes of 1.00 M NaOH.
-200.0 mL of 1.00 M NaOH

• A) 9.50
• B) 6.48
• C) 6.00
• D) 8.00
• E) None of these

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Definitions:

Muscle Twitches

Involuntary, fine movements of a small area of muscle, often caused by stress, fatigue, or mineral imbalances.

All-Or-None Principle

When a stimulus is applied to a cell, an action potential is either produced or not. In muscle cells, the cell either contracts to the maximum extent possible (for a given condition) or does not contract.

Chemical Process

A process involving chemical reactions in which substances are transformed into different substances, crucial in both biological and industrial contexts.

Anaerobic Respiration

A form of cellular respiration that occurs without oxygen, producing energy and lactic acid or ethanol.