A sample of AlF3 contains 3.0 × 1024 F– ions. The number of formula unit of this sample are 9 × 1024 3 × 1024 0.75 × 1024 1.0 × 1024
Question
A sample of AlF3 contains 3.0 × 1024 F– ions. The number of formula unit of this sample are 9 × 1024 3 × 1024 0.75 × 1024 1.0 × 1024
Solution
The formula unit for Aluminum Fluoride (AlF3) contains one Aluminum ion and three Fluoride ions.
Given that the sample contains 3.0 × 10^24 Fluoride ions, we can find the number of formula units by dividing the total number of Fluoride ions by the number of Fluoride ions in one formula unit.
So, 3.0 × 10^24 F- ions / 3 F- ions per formula unit = 1.0 × 10^24 formula units.
Therefore, the number of formula units in this sample is 1.0 × 10^24.
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