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elemental phosphörus in a two step process. In the first step, phosphorus and oxygen react to form diphosphorus pentoxide: P4(s) + 50,(g) 2P,0,(g) In the second step, diphosphorus pentoxide and water react to form phosphoric acid (H,PO): P,05(g) + 3 H,O(1) → 2H;PO,(l) Suppose the yield of the first step is 86.% and the yield of the second step is 97.%. Calculate the mass of phosphorus required to make 6.0 kg of phosphoric acid.

elemental phosphörus in a two step process. In the first step, phosphorus and oxygen react to form diphosphorus pentoxide: P4(s) + 50,(g) 2P,0,(g) In the second step, diphosphorus pentoxide and water react to form phosphoric acid (H,PO): P,05(g) + 3 H,O(1) → 2H;PO,(l) Suppose the yield of the first step is 86.% and the yield of the second step is 97.%. Calculate the mass of phosphorus required to make 6.0 kg of phosphoric acid.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Phosphoric acid, a mild acid used among other things as a rust inhibitor, food additive, and etching agent for cavity repair by dentists, can be made from elemental phosphorus in a two step process. In the first step, phosphorus and oxygen react to form diphosphorus pentoxide: P4(s) + 502(g) - 2P,05(g) In the second step, diphosphorus pentoxide and water react to form phosphoric acid (H,PO4): P205(g) + 3 H,0(1) → 2H;PO,() Suppose the yield of the first step is 86.% and the yield of the second step is 97.%. Calculate the mass of phosphorus required to make 6.0 kg of phosphoric acid. Be sure your answer has a unit symbol, if needed, and is rounded to 2 significant digits.
Transcribed Image Text:Phosphoric acid, a mild acid used among other things as a rust inhibitor, food additive, and etching agent for cavity repair by dentists, can be made from elemental phosphorus in a two step process. In the first step, phosphorus and oxygen react to form diphosphorus pentoxide: P4(s) + 502(g) - 2P,05(g) In the second step, diphosphorus pentoxide and water react to form phosphoric acid (H,PO4): P205(g) + 3 H,0(1) → 2H;PO,() Suppose the yield of the first step is 86.% and the yield of the second step is 97.%. Calculate the mass of phosphorus required to make 6.0 kg of phosphoric acid. Be sure your answer has a unit symbol, if needed, and is rounded to 2 significant digits.
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