a) H2S--H2O-->H+ +HS-
HS- --H2O-->H+ +S2-
b) H2SO3--H2O-->H+ +HSO3-
HSO3- --H2O-->H+ +SO3 2-
c) H3PO4--H2O-->H+ +H2PO4-
H2PO4- --H2O-->H+ +HPO4 2-
HPO4 2- --H2O-->H+ +PO4 3-
d) HNO3--H2O-->H+ +NO3-
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Verified answer
a) H2S--H2O-->H+ +HS-
HS- --H2O-->H+ +S2-
b) H2SO3--H2O-->H+ +HSO3-
HSO3- --H2O-->H+ +SO3 2-
c) H3PO4--H2O-->H+ +H2PO4-
H2PO4- --H2O-->H+ +HPO4 2-
HPO4 2- --H2O-->H+ +PO4 3-
d) HNO3--H2O-->H+ +NO3-