10.0mL of concentrated H3PO4 (aq) is diluted to the final volume of 250 mL. Then 150 mL of the diluted H3PO4 (aq) is titrated with 0.0455 M NaOH (aq) so that one of the products is Na2HPO4 (aq). It takes 24.35mL NaOH (aq) to complete the reaction. Calculate the molarity of H3PO4 (aq) in the concentrated solution. Answer choices 0.132M 3.00M 1.85M 0.923M
10.0mL of concentrated H3PO4 (aq) is diluted to the final volume of 250 mL. Then 150 mL of the diluted H3PO4 (aq) is titrated with 0.0455 M NaOH (aq) so that one of the products is Na2HPO4 (aq). It takes 24.35mL NaOH (aq) to complete the reaction. Calculate the molarity of H3PO4 (aq) in the concentrated solution. Answer choices 0.132M 3.00M 1.85M 0.923M
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter3: Chemical Reactions
Section: Chapter Questions
Problem 148QRT
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Question
10.0mL of concentrated H3PO4 (aq) is diluted to the final volume of 250 mL. Then 150 mL of the diluted H3PO4 (aq) is titrated with 0.0455 M NaOH (aq) so that one of the products is Na2HPO4 (aq). It takes 24.35mL NaOH (aq) to complete the reaction. Calculate the molarity of H3PO4 (aq) in the concentrated solution.
Answer choices
0.132M
3.00M
1.85M
0.923M
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