Ionic EquilibriumHard
Question
pH of 0.1M Na2HPO4 and 0.2M NaH2PO4 are respectively : pKa for H3PO4 are 2.2, 7.2 and 12.0.
Options
A.4.7, 9.6
B.9.6, 4.7
C.4.7, 5.6
D.5.6, 4.7
Solution
For Na2HPO4, pH = 
= 9.6.
For Na2HPO4, pH =
= 4.7.
= 9.6.For Na2HPO4, pH =
= 4.7.Create a free account to view solution
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