A sample of hard water contains about 2.0 × 10 −3 M Ca 2+ . A soluble fluoride-containing salt such as NaF is added to “fluoridate” the water (to aid in the prevention of dental cavities). What is the maximum concentration of F − that can be present without precipitating CaF 2 ?

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A sample of hard water contains about 2.0 × 10 −3 M Ca 2+ . A soluble fluoride-containing salt such as NaF is added to “fluoridate” the water (to aid in the prevention of dental cavities). What is the maximum concentration of F − that can be present without precipitating CaF 2 ?

Chemistry & Chemical Reactivity

Chemistry & Chemical Reactivity

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A sample of hard water contains about 2.0 × 10⁻³ M Ca²⁺. A soluble fluoride-containing salt such as NaF is added to “fluoridate” the water (to aid in the prevention of dental cavities). What is the maximum concentration of F⁻ that can be present without precipitating CaF₂?

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A sample of hard water contains about 2.0 × 10 −3 M Ca 2+ . A soluble fluoride-containing salt such as NaF is added to “fluoridate” the water (to aid in the prevention of dental cavities). What is the maximum concentration of F − that can be present without precipitating CaF 2 ?

Chemistry & Chemical Reactivity

Chemistry & Chemical Reactivity

Solutions