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| Unit cell of NaCl model created in lab |
A unit cell of NaCl is .78nm in length or 7.8 angstroms or 7.8e-10m
The mass of one cube of NaCl is 5.85e-5 grams. From that you can calculate that there are 1.001e-6 moles of NaCl in one cube. And from that number you can calculate that there are 6.028e17 molecules of NaCl in one cube.
The demension of one cube of salt is .5mm in LxWxH. From the previous dimensions of the unit cell of salt we can calculate that we have 3.69e6 molecules of NaCl in one cube of salt.
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