Posted by HELp on Wednesday, April 28, 2010 at 6:40pm.
4*radius = sqrt(2)*a
solve for a. I recommend converting radius to cm (from nm).
a is the length of a side of the crystal; therefore, a^3 will be the volume of the cube in cc.
mass of the unit cell = volume x density.
Substitute mass into
mass = 4unitcells*molar mass/6.022 x 10^23. and solve for molar mass.
60.9
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