已知 H 2 S 的 K 1 =1 × 10 -7 , K 2 =1 × 10 -14 。则 0.1mol/L H 2 S 溶液中 C(H + ) = mol/L , C(S 2- ) = mol/L ; 0.1mol/L H 2 S+0.1mol/L HCl 溶液中 C(H + ) = mol/L , C(S 2- ) = mol/L
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