Which of the Following Would Be the Best Choice for Preparing

question 74

Multiple Choice

Which of the following would be the best choice for preparing a buffer with a pH  3.5?

• A)a solution of formic acid and sodium formate, K_a  1.8  10 ^{ 4}
• B)a solution of acetic acid and sodium acetate, K_a  1.8  10 ^{ 5}
• C)a solution of hypochlorous acid and sodium hypochlorite, K_a  3.5  10 ^{ 8}
• D)a solution of boric acid and sodium borate, K_a  5.8  10 ^{ 10}
• E)All of these solutions would be equally good choices for making this buffer.

Identify the major form of fat in foods and how it is stored in the body.

Understand the significance of amino acids as the building blocks of proteins.

Recognize the concept of conservation and other operations as per Piaget's theory.

Identify adaptations and criticisms of Piaget's theory.

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Definitions:

Legal Claim

is a right to seek a remedy or relief in a legal action due to the infringement of one's legal rights.

Forbearance to Sue

An agreement between a creditor and a debtor in which the creditor agrees not to sue the debtor for a specified period of time.

Statute of Limitations

A law that sets the maximum period one can wait before filing a lawsuit, depending on the type of case or claim.

Consideration

The value (such as money, services, or goods) that is exchanged between parties in a contract, serving as the essential reason for a party entering into a legal agreement.