Calculate the Concentration of [H⁺] of a Buffered Solution Containing

question 66

Multiple Choice

Calculate the concentration of [H⁺] of a buffered solution containing 5.0 × 10⁻⁴ M HCN (K_a = 6.2 × 10⁻¹⁰) and 1.5 × 10⁻⁴ M NaCN.

• A) 3.06 × 10⁻⁹ M​
• B) ​0.22 × 10⁻⁹ M
• C) 2.07 × 10⁻⁹ M
• D) 4.12 × 10⁻⁹ M
• E) 4.58 × 10⁻⁹ M

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Definitions:

Quality of Life-Interfering Behaviors

Actions or patterns that negatively impact one's overall well-being and ability to enjoy life.

Behavior Chain Analysis

A method used in psychotherapy to dissect problematic behaviors by identifying the series of events, thoughts, and emotions leading to the behavior, was used for effectively addressing and altering these behaviors.

Avoidance

A defense mechanism or behavior strategy where individuals steer clear of thoughts, feelings, or situations that cause distress.

DBT

Dialectical Behavior Therapy, a type of psychotherapy focusing on teaching patients skills to cope with stress, regulate emotions, and improve relationships with others.