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| 1. |
How many unit cells are present in a cube-shaped ideal crystal of \[NaCl\] of mass \[1.00\,g\] [Atomic masses: \[Na=23,\,Cl=35.5]\] [AIEEE 2003] |
| A. | \[2.57\times {{10}^{21}}\] unit cells |
| B. | \[5.14\times {{10}^{21}}\] unit cells |
| C. | \[1.28\times {{10}^{21}}\] unit cells |
| D. | \[1.71\times {{10}^{21}}\] unit cells |
| Answer» B. \[5.14\times {{10}^{21}}\] unit cells | |