A sample of AlF(3) contains 3xx10^(25)F-...

A sample of `AlF_(3)` contains `3xx10^(25)F`-ions. The number of `AlF^(3+)` in the sample would be-

`3xx10^(25)`

`1xx10^(25)`

`1.5xx10^(25)`

`2xx10^(25)`

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