The PH of a 0

question 91

Multiple Choice

The pH of a 0.013 M weak acid solution is 5.27. Calculate K_a for this acid.

• A) 1.9  10^-9
• B) 2.2  10^-9
• C) 5.4  10^-6
• D) 2.6  10^-16
• E) 4.2   10^-8

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Definitions:

Methyl Groups

Methyl groups are chemical groups consisting of one carbon atom bonded to three hydrogen atoms (-CH3), often influencing the function and properties of organic molecules.

Histones

Proteins around which DNA is tightly coiled in chromosomes, playing a role in gene regulation.

Homeotic Genes

Genes that control the development layout of an organism's body plan, determining the identity of body parts.