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Calculate the pH of buffers based on the recipes A: 17.91g Na2HPO4*12H2O 1.7mL 1M NaOH 998.3mL...
Calculate the pH of buffers based on the recipes
A: 17.91g Na2HPO4*12H2O
1.7mL 1M NaOH
998.3mL H2O
----------------------------------------------
B: 13.16g citric acid monohydrate
25mL 1M NaOH
998.3mL H2O
----------------------------------------------
C: 0.49g NaH2PO4*H2O
12.49g Na2HPO4*12H2O
1L H2O
----------------------------------------------
D: 17.91g NaH2PO4*12H2O
1L H2O
----------------------------------------------
| Compound | MW | pKa if ionic strength =0 |
| Citric acid monohydrate | 210.14 g/mol | 3.128, 4.761, 6.396 |
| Na2HPO4*12H2O | 358.14 g/mol | 2.148, 7.198, 12.375 |
| Na2HPO4*H2O | 137.99 g/mol | 2.148, 7.198, 12.375 |
Solutions
Expert Solution
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queen_honey_blossom answered 1 year agoRelated Solutions
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---------------------------
Compound
MW
pKa if ionic
strength =0
Citric acid monohydrate
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3.128, 4.761, 6.396
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