In making computer chips a 400 kg cylindrical ingot of, Ask an Expert

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In making computer chips, a 4.00 Kg cylindrical ingot of ultrapure n-type doped silicon that is 5.20 inches in diameter is sliced into wafers 1.12E^-4 m thick.

A.) Assuming no waste, how many wafers can be made?

B.) what is the mass of a wafer (d of Si= 2.34 g/cm.^3; V of a cylinder = pir^2h)?

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Category:- Chemistry
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