A Solution of HCOOH ( K _a = 1

question 55

Multiple Choice

A solution of HCOOH ( K _a = 1.8×10 ^{- 4}) and HCOO ^- was submitted for chemical analysis. The results were:
[HCOOH] = 0.050 M, [HCOO ^- ] = 0.15 M. Calculate the pH.

• A) 4.22
• B) 3.74
• C) 3.27
• D) 1.30
• E) - 1.30

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Definitions:

Interpersonal Tension

A state of psychological strain or stress occurring between individuals due to conflicts or disagreements.

Imaging

The technique or process of creating visual representations of the physical body or parts of it for clinical purposes or medical science.

GRIT Strategy

The GRIT (Graduated and Reciprocated Initiatives in Tension-reduction) strategy is a method proposed for decreasing international tensions by initiating small, positive actions, inviting reciprocation, and building trust.

Specific Demands

Explicit, defined requests or conditions put forward by one party in a negotiation or conflict resolution context.