A Solution Is Made by Mixing Equal Volumes of 0

question 32

Short Answer

A solution is made by mixing equal volumes of 0.20 M HCN (K_a = 6.2 × 10^-10) and 0.20 M NH₃ (K_b = 1.8 × 10^-5). Determine the pH of the solution.

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Definitions:

Memory Trace Decay

Memory trace decay involves the gradual fading or weakening of a memory over time when it is not activated or retrieved, leading to forgetting.

Actual Recognizing

The process of accurately identifying previously encountered objects, situations, or individuals.

Decay Theory

A theory of forgetting suggesting that memories fade over time as a result of mere passage of time, without any active interference.

Sensory Memory

The shortest-term element of memory that allows us to retain impressions of sensory information after the original stimuli have ended.