Consider the Titration of 200

question 159

Multiple Choice

Consider the titration of 200.0 mL of a 0.100 M solution of the weak acid H₂A with 0.200 M NaOH. The first equivalence point is reached after 100.0 mL of 0.200 M NaOH has been added, and the pH is 6.27. The pH after 65.0 mL of 0.200 M NaOH has been added, the pH is 4.95.Calculate the pH of the original acid (no NaOH added) .

• A) 3.19
• B) 2.84
• C) 2.55
• D) 4.68
• E) none of these

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Definitions:

Person-Centered Therapist

A type of therapist who practices person-centered therapy, focusing on providing a supportive environment that encourages the individual's self-discovery and self-acceptance.

Person-Centered Therapy

is a form of psychotherapy developed by Carl Rogers, emphasizing the patient's self-discovery and self-understanding as a pathway for healing and personal growth.

Carl Rogers

An influential American psychologist who founded the humanistic approach to psychology and emphasized the importance of the self and unconditional positive regard.

Behavior Therapy

A type of psychotherapy that focuses on changing undesirable behaviors through stimulus-response conditioning techniques.