If the PKa of HCHO₂ Is 3

question 38

Multiple Choice

If the pKa of HCHO₂ is 3.74 and the pH of an HCHO₂/NaCHO₂ solution is 3.74,which of the following is TRUE?

• A) [HCHO₂] > [NaCHO₂]
• B) [HCHO₂] = [NaCHO₂]
• C) [HCHO₂] < [NaCHO₂]
• D) [HCHO₂] < <[NaCHO₂]
• E) It is not possible to make a buffer of this pH from HCHO₂ and NaCHO₂.

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Definitions:

Theological Stage

AUGUSTE Comte's term for the earliest stage of human society, in which explanation of the world relies on religious and supernatural beliefs.

Positive Stage

In the context of philosophical and social development theories, particularly those of Auguste Comte, it refers to the final stage of societal evolution in which scientific methods and empirical data are used to understand societal issues.

Industrial Stage

A phase in the development of a society characterized by the growth of industries, mass production, and a shift from agrarian to industrial economies.

Global Village

A term that describes the world as being interconnected through technology, making distances shorter and communication instant, as envisioned by Marshall McLuhan.