the recommended concentration of flouride Ion is required to make teeth enamel harder by converting (3Ca3(PO4)2.Ca(OH)2) to:
Hello Harsh,
The answer to your question is
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[3Ca 3 (PO 4 ) 2 .CaF 2 ].
the question is of coordinate chemistry.
For more information and detailed explanation, kindly refer the below mentioned article: