A solution was prepared by dissolving 0.0258 mol disodium
phosphate in 500.0mL of deionized water. Phosphoric...
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Chemistry
A solution was prepared by dissolving 0.0258 mol disodiumphosphate in 500.0mL of deionized water. Phosphoric acid has thefollowing pKa values: pKa1 = 2.148 , pKa2 = 7.198 , pKa3 =12.375.
a) What was the pH of the resulting solution?
b) What was the concentration of H2PO4- in the solution?
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Solution a The following equilibrium will exists H3PO4 H H2PO4 H2PO4 H HPO42 HPO42 H PO43 Disodium phosphate will dissociate in the deionized water as
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