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A sample of AIF(3) contains 3.0 xx 10^(2...

A sample of `AIF_(3)` contains `3.0 xx 10^(24)` `F^(-)` ions. The number of formula units of the sample are

A

`9xx10^(24)`

B

`3xx10^(24)`

C

`0.75 xx10^(24)`

D

`1.0 xx 10^(24)`

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The correct Answer is:
D
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