To Make an Acetate Buffer at PH 3

question 14

Multiple Choice

To make an acetate buffer at pH 3.7, what is the required ratio of sodium acetate to acetic acid? (pKa of acetic acid is 4.7)

• A) 100:1
• B) 10:1
• C) 1:1
• D) 1:10
• E) (1:1)

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Definitions:

Electrons

Subatomic particles with a negative charge, orbiting the nucleus of atoms and playing a key role in chemical reactions and electricity.

Proton Acceptor

A chemical entity that receives protons (hydrogen ions) in a chemical reaction, often measured in the context of acid-base chemistry.

Covalent Bond

The chemical bond involving shared pairs of electrons; may be single, double, or triple (with one, two, or three shared pairs of electrons, respectively). Compare with ionic bond and hydrogen bond.

OH− Concentration

A measure of the number of hydroxide ions in a solution, influencing its acidity or basicity.