Na2S溶液中存在多种微粒,下列各微粒间的关系正确的是:
A.[Na+]>[S2-]>[OH-]>[HS-]>[H+] |
B.[Na+]+[H+]==[S2-]+[HS-]+[OH-] |
C.[Na+]==[HS-]+2[H2S]+2[S2-] |
D.[OH-]==[H+]+[HS-]+[H2S] |
Na2S溶液中存在多种微粒,下列各微粒间的关系正确的是:
A.[Na+]>[S2-]>[OH-]>[HS-]>[H+] |
B.[Na+]+[H+]==[S2-]+[HS-]+[OH-] |
C.[Na+]==[HS-]+2[H2S]+2[S2-] |
D.[OH-]==[H+]+[HS-]+[H2S] |