Three Acids Found in Foods Are Lactic Acid (In Milk

question 27

Multiple Choice

Three acids found in foods are lactic acid (in milk products) , oxalic acid (in rhubarb) , and malic acid (in apples) . The pK_a values are LA  3.88, OA  1.23, and MA  3.40. Which list has the conjugate bases of these acids in order of decreasing strength?

• A)lactate  oxalate  malate
• B)oxalate  malate  lactate
• C)lactate  malate  oxalate
• D)oxalate  lactate  malate
• E)malate  lactate  oxalate

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Definitions:

Substitution Effect

The change in consumption resulting from a change in the price of a good, leading consumers to replace more expensive items with cheaper alternatives.

Backward Bending

A concept in labor economics where an individual's labor supply curve bends backwards, indicating that they will supply less labor as wages increase beyond a certain point due to the substitution of leisure for work.

Marginal Revenue Product

The additional revenue generated from employing one more unit of a resource, a crucial factor in determining how many workers to hire in production.

Demand Schedule

A schedule of quantities of a good or service that people are willing to buy at different prices.