Elemental phosphorous is used in the semiconductor industry. It can be obtained from an ore called fluoroapatite

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Elemental phosphorous is used in the semiconductor industry. It can be obtained from an ore called fluoroapatite via reaction with SiOand C:

4 Cas(PO4)3F+ 18 SiO + 30 C 3 P4 + 30 CO + 18 CaSiO3 + 2 CaF


Suppose a particular semiconductor production plant requires 1500 kg of P4. If the recovery of P4 from this reaction is 73% efficient, what mass of fluoroapatite is needed?

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Chemistry For Engineering Students

ISBN: 9780357026991

4th Edition

Authors: Lawrence S. Brown, Tom Holme

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