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12. a. What is the molarity of a solution made by mixing 125 mL of 5.00 M H3PO4 with 325 mL H2O? b. What is the molarity of a solution make by mixing 75 mL of 0.25 M Na2SO4 with 150 mL H2O? c. What volume of 9.00 M HNO3 is needed to make 675 mL of 0.750 M HNO3?

12. a. What is the molarity of a solution made by mixing 125 mL of 5.00 M H3PO4 with 325 mL H2O? b. What is the molarity of a solution make by mixing 75 mL of 0.25 M Na2SO4 with 150 mL H2O? c. What volume of 9.00 M HNO3 is needed to make 675 mL of 0.750 M HNO3?

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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
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12. a. What is the molarity of a solution made by mixing 125 mL of 5.00 M H3PO4 with 325 mL H2O? b. What is the molarity of a solution make by mixing 75 mL of 0.25 M NazSO4 with 150 mL H2O? c. What volume of 9.00 M HNO3 is needed to make 675 mL of 0.750 M HN3? d. What volume of 15.0 M H3PO4 is needed to make 750.0 mL of 3.0 M H3PO4?
Transcribed Image Text:12. a. What is the molarity of a solution made by mixing 125 mL of 5.00 M H3PO4 with 325 mL H2O? b. What is the molarity of a solution make by mixing 75 mL of 0.25 M NazSO4 with 150 mL H2O? c. What volume of 9.00 M HNO3 is needed to make 675 mL of 0.750 M HN3? d. What volume of 15.0 M H3PO4 is needed to make 750.0 mL of 3.0 M H3PO4?
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