Table 20-1 Labor Data for Aridia

question 258

Multiple Choice

Table 20-1
Labor Data for Aridia

-Refer to Table 20-1.The unemployment rate of Aridia in 2010 was

• A) 10%.
• B) 12.5%.
• C) 14.3%.
• D) 80%.

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Definitions:

Propanoic Acid

A saturated C3 carboxylic acid with a pungent odor, occurring naturally in sweat and acts as a preservative in foods.

Acidic

Referring to substances that have a pH less than 7, can donate a proton (H+ ion) to another substance, and turn litmus paper red.

pKa

A measure of the acidic strength of a substance, indicating the pH at which a molecule donates its proton to the solution.

Methanesulfonic Acid

A strong organic sulfonic acid with the chemical formula CH3SO3H, used as a catalyst in organic syntheses and as a solvent.