**Reaction Sequence Stoichiometry**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.**Step 1: Formation of Diphosphorus Pentoxide**\[P_4(s) + 5O_2(g) \rightarrow 2P_2O_5(g)\]**Step 2: Formation of Phosphoric Acid**\[P_2O_5(g) + 3H_2O(l) \rightarrow 2H_3PO_4(l)\]Suppose the yield of the first step is 66.6% and the yield of the second step is 91.2%. Calculate the mass of phosphorus required to make 10.0 kg of phosphoric acid.Be sure that your answer has a unit symbol, if needed, and is rounded to the correct number of significant digits.**Input Box**An input box for entering the calculated mass of phosphorus.**Explanation Button**A button labeled "Explanation" is available for more detailed insights.**Check Button**A button labeled "Check" is available to verify the answer.**Additional Notes**There are no graphs or diagrams associated with this text. The interactive element appears to be an input mechanism for students to enter their calculated answers.

Answered: Image /qna-images/answer/22035448-f4e2-4b0a-83f9-4c33bc3d804a.jpg

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) 2P₂05 (8) In the second step, diphosphorus pentoxide and water react to form phosphoric acid (H₂PO4): P₂0,(g) + 3H₂O(1) 2 H₂PO4 (1) Suppose the yield of the first step is 66.% and the yield of the second step is 91.%. Calculate the mass of phosphorus required to make 10.0 kg of phosphoric acid. Be sure your answer has a unit symbol, if needed, and is rounded to the correct number of significant digits. - ->

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) 2P₂05 (8) In the second step, diphosphorus pentoxide and water react to form phosphoric acid (H₂PO4): P₂0,(g) + 3H₂O(1) 2 H₂PO4 (1) Suppose the yield of the first step is 66.% and the yield of the second step is 91.%. Calculate the mass of phosphorus required to make 10.0 kg of phosphoric acid. Be sure your answer has a unit symbol, if needed, and is rounded to the correct number of significant digits. - ->

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: →+P4s 5O2g 2P2O5g In the second step, diphosphorus pentoxide and water react to form phosphoric acid H3PO4 : →+P2O5g 3H2Ol 2H3PO4l Suppose the yield of the first step is 66.% and the yield of the second step is 62.% . Calculate the mass of phosphorus required to make 2.0kg of phosphoric acid. Be sure your answer has a unit symbol, if needed, and is rounded to the correct number of significant digits.
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