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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. | |