1.

A sample of \[Al{{F}_{3}}\] contains \[3.0\times {{10}^{24}}{{F}^{-}}\] ions. The number of formula unit of this sample are-

A. \[9\times {{10}^{24}}\]
B. \[3\times {{10}^{24}}\]
C. \[0.75\times {{10}^{24}}\]
D. \[1.0\times {{10}^{24}}\]
Answer» E.


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