Question

Ajutati-ma va rog cu acest exercitiu la chimie dau coroana

Answer 1

a)

H2S <==> H+  +  HS⁻ ; Ka1 = [H+]*[HS⁻]/[H2S]

HS⁻ <==> H+  +  S²⁻ ; Ka2 = [H+]*[S²⁻]/[HS⁻]

b)

HBr <==>  H+ + Br⁻ ; Ka = [H+]*[Br⁻]/[HBr]