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72. A student prepares phosphorous acid, H3PO3, by reacting solid phos- phorus triiodide with water. PI3(s) + 3H₂O(1) →→→ H3PO3(s) + 3HI(g) The student needs to obtain 0.250 L of H3PO3 (d = 1.651 g/cm³). The proce- dure calls for a 45.0% excess of water and a yield of 75.0%. How much phos- phorus triiodide should be weighed out? What volume of water (d = 1.00 g/cm³) should be used?

72. A student prepares phosphorous acid, H3PO3, by reacting solid phos- phorus triiodide with water. PI3(s) + 3H₂O(1) →→→ H3PO3(s) + 3HI(g) The student needs to obtain 0.250 L of H3PO3 (d = 1.651 g/cm³). The proce- dure calls for a 45.0% excess of water and a yield of 75.0%. How much phos- phorus triiodide should be weighed out? What volume of water (d = 1.00 g/cm³) should be used?

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
Chapter4: Types Of Chemical Reactions And Solution Stoichiometry
Section: Chapter Questions
Problem 20Q: A student wants to prepare 1.00 L of a 1.00-M solution of NaOH (molar mass = 40.00 g/mol). If solid...
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Please answer question 72 please. Thank you!

72. A student prepares phosphorous acid, H3PO3, by reacting solid phos- phorus triiodide with water. PI3(s) + 3H₂O(1)→ H3PO3(s) + 3HI(g) The student needs to obtain 0.250 L of H3PO3 (d = 1.651 g/cm³). The proce- dure calls for a 45.0% excess of water and a yield of 75.0%. How much phos- phorus triiodide should be weighed out? What volume of water (d = 1.00 g/cm³) should be used?
Transcribed Image Text:72. A student prepares phosphorous acid, H3PO3, by reacting solid phos- phorus triiodide with water. PI3(s) + 3H₂O(1)→ H3PO3(s) + 3HI(g) The student needs to obtain 0.250 L of H3PO3 (d = 1.651 g/cm³). The proce- dure calls for a 45.0% excess of water and a yield of 75.0%. How much phos- phorus triiodide should be weighed out? What volume of water (d = 1.00 g/cm³) should be used?
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