The pK_a of HCN is 9.30. The pH of a solution prepared by mixing 2.5 m – InterviewSolution

1.	The pK_a of HCN is 9.30. The pH of a solution prepared by mixing 2.5 moles of KCN and 2.5 moles of HCN in water and making up the total volume of 500 mL is :
Answer» `9.30` `7.30` `10.30` `8.30` ANSWER :a

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