An electric furnace produces phosphorus by the following reaction: Ca 3 (PO 4 ) 2 (s) +

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An electric furnace produces phosphorus by the following reaction:

Ca3(PO4)2(s) + 5C(s)3SiO2(s) → 3CaSiO3(s) + 5CO(g) + 2P(l)

An initial reaction mixture contains 1500 kg calcium phosphate, 250 kg carbon, and 1.0 3 103 kg SiO2.

a. What is the limiting reagent?

b. What is the theoretical yield of phosphorus?

c. After reaction the slag (solid residue) was analyzed. It contained 3.8% C, 5.8% P, and 26.6% Ca by mass. What was the actual yield of phosphorus in kg? What was the percent yield?

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Chemical Principles

ISBN: 978-1305581982

8th Edition

Authors: Steven S. Zumdahl, Donald J. DeCoste

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