Hydroxyapatite, Which Is a Component of Tooth Enamel, Is Very $\rightleftarrows$

question 74

Short Answer

Hydroxyapatite, which is a component of tooth enamel, is very insoluble in water. For the following reaction, K_sp = 2.3 *10^-59.
Ca₅ (PO₄)₃(OH)(s) $\rightleftarrows$ Ca₅ (PO₄)₃⁺(aq) + OH^-(aq)
What is the molar concentration of Ca₅(PO₄)₃⁺ when the pH of the mouth is 4.0?

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Definitions:

Monozygotic

Refers to twins that are genetically identical, originating from a single fertilized egg that splits into two.

Dizygotic

Referring to twins that are born from two different eggs fertilized by two different sperm cells, resulting in siblings that are genetically as similar as any other brothers or sisters.

Canalized

A term referring to the limitation of the expression of genetic variability due to genetic or environmental influences, resulting in a trait that is shaped to follow a predictable pattern regardless of variations.

Genetic-Environment Correlations

The interaction between an individual's genetic makeup and their surrounding environment, influencing traits and behaviors.