Sodium fluoride is added to drinking water in some municipalities to protect teeth against cavities. The idea is to convert hydroxyapatite, Ca₁₀(PO₄)₆(OH)₂, into more stable fluorapatite, Ca₁₀(PO₄)₆F₂. Express a flouride concentration of 5 mg/L molarity.

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The Answer of Sodium fluoride is added to drinking water in some municipalities to protect teeth against cavities. The idea is to convert hydroxyapatite, Ca₁₀(PO₄)₆(OH)₂, into more stable fluorapatite, Ca₁₀(PO₄)₆F₂. Express a flouride concentration of 5 mg/L molarity.

Sodium Fluoride Is Added to Drinking Water in Some Municipalities