3. Describe the preparation of 750mL of 6.00M H3PO4 (98g/mol) from a commercial reagent containing 85% (w/w) H3PO4 and having a specific gravity of 1.69.
3. Describe the preparation of 750mL of 6.00M H3PO4 (98g/mol) from a commercial reagent containing 85% (w/w) H3PO4 and having a specific gravity of 1.69.
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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please write the procedure
![3. Describe the preparation of 750mL of 6.00M H3PO4 (98g/mol) from a commercial reagent
containing 85% (w/w) H3PO4 and having a specific gravity of 1.69.
4. Urea [(NH2)2CO] is prepared with the following reaction:
2NH3(g) + CO2(g) -> [(NH₂)2CO] (ac) + H₂O(1)
In the process, 637g of NH3 (17.03 g/mol) react with 1142g of CO₂ (44.01 g/mol). Determine
the mass of (NH2)2CO (60.06 g/mol) that it forms. Determine in grams what is left of the excess
reagent.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe10cc420-223e-4f62-be80-9a0f14ece485%2Fb81e1bac-c9c2-4030-b231-b03ad1ec02a0%2Fdwf8sv9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3. Describe the preparation of 750mL of 6.00M H3PO4 (98g/mol) from a commercial reagent
containing 85% (w/w) H3PO4 and having a specific gravity of 1.69.
4. Urea [(NH2)2CO] is prepared with the following reaction:
2NH3(g) + CO2(g) -> [(NH₂)2CO] (ac) + H₂O(1)
In the process, 637g of NH3 (17.03 g/mol) react with 1142g of CO₂ (44.01 g/mol). Determine
the mass of (NH2)2CO (60.06 g/mol) that it forms. Determine in grams what is left of the excess
reagent.
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