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Chemical and Phase Equilibria question

2015 · Q48
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Chemical and Phase Equilibria question

2015 · Q48

IIT JAMChemistryChemical and Phase EquilibriaNumerical+1 / −0
The pK a_aa​ values of H 3_33​ PO 4_44​ are 2.12, 7.21 and 12.67. The pH of a phosphate buffer containing 0.2 M NaH 2_22​ PO 4_44​ and 0.1 M Na 2_22​ HPO 4_44​ is ‾\underline{\hspace{2cm}}​
Numerical answer
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Correct answer: 6.9, 7.0

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