The first ionizationconstant of H2S is 9.1 × 10–8.Calculate the – InterviewSolution

1.	The first ionizationconstant of H2S is 9.1 × 10–8.Calculate the concentration of HS– ion in its 0.1 Msolution. How will this concentration be affected if the solution is0.1 M in HCl also? If the second dissociation constant of H2Sis 1.2 × 10–13, calculate the concentration ofS2– under both conditions.
Answer» The first ionization constant of H₂S is 9.1 × 10^–8. Calculate the concentration of HS^– ion in its 0.1 M solution. How will this concentration be affected if the solution is 0.1 M in HCl also? If the second dissociation constant of H₂S is 1.2 × 10^–13, calculate the concentration of S^2–under both conditions.

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