The K_sp of Ca(OH)₂ Is 5

question 13

Multiple Choice

The K_sp of Ca(OH) ₂ is 5.5 × 10^-5 at 25 °C.What is the concentration of OH^-(aq) in a saturated solution of Ca(OH) ₂(aq) ?

• A) 1.9 × 10^-3 M
• B) 7.4 × 10^-3 M
• C) 2.4 × 10^-2 M
• D) 4.0 × 10^-2 M
• E) 4.8 × 10^-2 M

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Definitions:

Amino Acids

Organic compounds containing both an amino group and a carboxylic acid group, serving as the building blocks of proteins.

Arginine

An essential amino acid that plays an important role in protein synthesis and various metabolic pathways in the body.

Aspartic Acid

An amino acid with a carboxylic acid side chain, important for enzyme activity and neurotransmission, symbol Asp or D.

Neutral Form

Refers to the state of a molecule when it is not bearing a positive or negative charge, typically in the context of pH-dependent forms of molecules in solutions.