• 2022-06-26
    浓度为 c mol/L 的 Na2CO3(H2CO3 的一级和二级解离常数为 Ka1、Ka2)溶液中氢离子(或氢氧根)浓度计算最简式为
    A: [H+] = (Ka1×c)^(1/2)
    B: [H+] = (Ka2×c)^(1/2)
    C: [OH-] = (Kw/Ka1×c)^(1/2)
    D: [OH-] = (Kw/Ka2×c)^(1/2)