Let be the number of fluorine atoms in one formula unit of Fluorapatite, and be the number of fluori — Metallurgy and Isolation of Elements Chemistry Question
Question
Let $X$ be the number of fluorine atoms in one formula unit of Fluorapatite, and $Y$ be the number of fluorine atoms in one formula unit of Cryolite. Determine the value of $X + Y$.
Answer: 8
💡 Solution & Explanation
The chemical formula of Fluorapatite is $3Ca_3(PO_4)_2 \cdot CaF_2$, which contains 2 fluorine atoms per formula unit ($X = 2$). Cryolite is $Na_3AlF_6$, containing 6 fluorine atoms per formula unit ($Y = 6$). Therefore, $X + Y = 8$.
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