What Is the Concentration of HCO₃^- in a 0

question 40

Multiple Choice

What is the concentration of HCO₃^- in a 0.010 M solution of carbonic acid,H₂CO₃? For carbonic acid,Ka₁ = 4.2 × 10^-7 and Ka₂ = 4.8 × 10^-11.

• A)6.5 × 10^-5 M
• B)1.0 × 10^-2 M
• C)3.2 × 10^-5 M
• D)4.8 × 10^-11 M
• E)4.2 × 10^-7 M

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Definitions:

Consolidation

The process by which memories stabilize in the brain after initial acquisition.

Short-Term Memory

The ability to keep a minimal amount of data actively accessible in consciousness for a brief duration.

Recency Effect

The psychological phenomenon where the most recently presented information is remembered better than information presented earlier.

Eyewitness Memory

The recollection by individuals of events they have witnessed, significant in the context of legal trials and psychology due to its reliability and susceptibility to error.