The correct diagram for CaF2, calcium fluoride, consists of Ca2+ ions surrounded by eight F- ions in a cubic closest-packed (face-centered cubic) arrangement. Each fluoride ion is in contact with four calcium ions.
1 mole CaF2 = 78.074g CaF2 0.06mol CaF2 x 78.074g CaF2/mol CaF2 = 5g CaF2 (rounded to 1 significant figure)
CaF2.
Formula: CaF2
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Calcium fluoride is CaF2.
The correct formula for a compound with one calcium atom and two fluorine atoms is CaF2, which is called calcium fluoride.
1 mole CaF2 = 78.074g CaF2 0.06mol CaF2 x 78.074g CaF2/mol CaF2 = 5g CaF2 (rounded to 1 significant figure)
The name for the ionic compound CaF2 is calcium fluoride.
That is the correct spelling of the word "diagram" (drawing).
Of these choices:a. Ca(s) + F2(g) → CaF2(s)b. Ca(g) + F2(g) → CaF2(s)c. Ca2+(g) + 2F−(g) → CaF2(s)d. Ca(g) + 2F(g) → CaF2(s)
The scientific name for fluorite is calcium fluoride (CaF2).
CaF2.
In one molecule of CaF2, there is one calcium atom and two fluorine atoms.
The solubility of CaF2 in water increases with temperature. At 25C, the solubility of CaF2 in water is about 0.0016 g/100 mL. As the temperature rises, the solubility also increases.
To find the grams of F in 165 g of CaF2, you need to consider the molar mass of CaF2. Calcium (Ca) has a molar mass of about 40.1 g/mol, and fluorine (F) has a molar mass of about 19 g/mol. So, the molar mass of CaF2 is about 40.1 + (19 x 2) = 78.1 g/mol. Then, you can calculate the grams of F in 165 g of CaF2 by determining the proportion of F in the compound CaF2 compared to its total molar mass.
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The lattice constant of calcium fluoride (CaF2) is approximately 5.462 Å (angstroms).