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28 Sep 2019
As a technician in a large pharmaceutical research firm, you needto produce 400. mL of 1.00 M potassium phosphate buffer solution ofpH = 7.28. The pKa of H2PO4 is 7.21.
You have the following supplies: 2.00 L of 1.00 M KH2PO4 stocksolution, 1.50 L of 1.00 M K2HPO4 stock solution, and a carboy ofpure distilled H2O.
How much 1.00 M KH2PO4 will you need to make this solution?
As a technician in a large pharmaceutical research firm, you needto produce 400. mL of 1.00 M potassium phosphate buffer solution ofpH = 7.28. The pKa of H2PO4 is 7.21.
You have the following supplies: 2.00 L of 1.00 M KH2PO4 stocksolution, 1.50 L of 1.00 M K2HPO4 stock solution, and a carboy ofpure distilled H2O.
How much 1.00 M KH2PO4 will you need to make this solution?
You have the following supplies: 2.00 L of 1.00 M KH2PO4 stocksolution, 1.50 L of 1.00 M K2HPO4 stock solution, and a carboy ofpure distilled H2O.
How much 1.00 M KH2PO4 will you need to make this solution?
Bunny GreenfelderLv2
28 Sep 2019
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