List the point coordinates of both zinc and sulphur atoms for a unit cell of zinc blende crystal structure
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Zinc blende: Zinc sulfide is an inorganic compound.
The chemical formula is ZnS.
In the zinc blende crystal structure ,
The sulphur atoms occupy the face centered position in the zinc blende crystal structure.
The point coordinates are,
- Bottom face: 000, 100, 110, 010 , 1/2 1/2 0
- Top face: 001, 101, 111, 110, 1/2 1/2 1
- Front face: 1 1/2 1/2
- Back face: 0 1/2 1/2
- Left face: 1/2 0 1/2
- Right face: 1/2 1 1/2
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There are two kinds of alloys of tin and copper. The first alloy contains tin and copper such that 93.33% of it is tin. In the second alloy, there is 86.66% tin. What weight of the first alloy (in kg) should be mixed with some weight of the second alloy so as to make a 50 kg mass containing 90% of tin?
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