Formic Acid,which Is a Component of Insect Venom,has a K_a $\times$

question 35

Multiple Choice

Formic acid,which is a component of insect venom,has a K_a = 1.8 $\times$ 10^-4.What is the [H₃O⁺] in a solution that is initially 0.10 M formic acid,HCOOH?

• A)4.2 \(\times\) 10^-3 M
• B)8.4 \(\times\) 10^-3 M
• C)1.8 \(\times\) 10^-4 M
• D)1.8 \(\times\) 10^-5 M
• E)1.8 \(\times\) 10^-6 M

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Definitions:

Constructive Processing

The cognitive mechanism where memories are reconstructed or modified due to new information, perspectives, or experiences, influencing how recollections are remembered or interpreted.

Encoding

The process by which the brain converts information into a form that can be stored in memory, an initial step in memory formation.

Memory Traces

Theoretical constructs representing the physical record of memories in the brain, also known as engrams.

Nonsense Syllables

Sequences of letters that do not form known words, used in memory and learning experiments to study the processes of encoding and recall.