What Is the Value of K_b for the Formate Anion,HCOO^- $\times$

question 87

Multiple Choice

What is the value of K_b for the formate anion,HCOO^-?
K_a(HCOOH) = 2.1 $\times$ 10^-4

• A)-2.1 \(\times\) 10^-4
• B)2.1 \(\times\) 10^-4
• C)6.9 \(\times\) 10^-6
• D)4.8 \(\times\) 10^-11
• E)2.1 \(\times\) 10^-18

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Definitions:

Hypothesis

The proposition (or propositions) in an explanation that purport to show why another proposition (the explanandum) is true.

Propositions

Statements or assertions put forward in debate or argument, characterized by their ability to be true or false.

Explanandum

The phenomenon or event that is explained by a scientific theory or investigation.

Hypothesis

A proposed explanation made on the basis of limited evidence as a starting point for further investigation.