The pKa values of HPO4 (hydrogen phosphate) are as follows: pKa1 = 2.15, pKa2 = 7.20, and pKa3 = 12.35.
The conjugate base for HPO4^2- is H2PO4^-.
That's not a stable compound. If you meant HPO4--, it can be formed by either the reduction of the PO43- ion or oxidation of the H2PO4- ion.
The pKa of diisopropylamine is around 10-11.
The conjugate base of HPO4 2- is H2PO4 -, which results from the loss of one hydrogen ion (H+) from the dihydrogen phosphate ion.
The pKa of bromoacetic acid is approximately 2.64.
The conjugate base for HPO4^2- is H2PO4^-.
The conjugate base of HPO4^-2 is PO4^-3 because when HPO4^-2 loses a single hydrogen ion in a reaction, it forms PO4^-3.
That's not a stable compound. If you meant HPO4--, it can be formed by either the reduction of the PO43- ion or oxidation of the H2PO4- ion.
The pKa of diisopropylamine is around 10-11.
The conjugate base of HPO4 2- is H2PO4 -, which results from the loss of one hydrogen ion (H+) from the dihydrogen phosphate ion.
The pKa of bromoacetic acid is approximately 2.64.
The pKa values of phosphoric acid are 2.15, 7.20, and 12.35. These values correspond to the three dissociation steps of phosphoric acid, where each hydrogen ion is progressively released to form H2PO4-, HPO4^2-, and PO4^3- ions.
HPO4^2- is an acidic species as it can donate a proton (H+) in solution. NO2, on the other hand, can act as a base by accepting a proton. When mixed together, they can form a reaction where HPO4^2- donates a proton to NO2, leading to the formation of H2PO4^- and NO2^-.
The pH level of HPO4 (dihydrogen phosphate) depends on its concentration in solution. In general, HPO4 tends to be weakly acidic, causing the solution to have a pH below 7. At low concentrations, the pH may be closer to neutral, while at higher concentrations, it will be more acidic.
hydrogen phosphate
The pKa value of Doxofylline is approximately 4.22.
It is acid AND base together, at the same time (amphoteric).acid : HPO42- + H2O H3O+ + PO43- pKa = 12.32 (very weak acid)base: HPO42- + H2O OH- + H2PO4- pKb = 6.79 (rather weak base)