• 2022-06-28
    在电极反应中,其他条件不变,离子的浓度减小一半,值不变的是:( )
    A: Cu[img=17x22]1803dd6126954b7.png[/img]+2e=Cu
    B: Br[img=7x22]1803dd613036718.png[/img]+2e=2 Br [img=11x21]1803dd6138b5a1c.png[/img]
    C: 2H[img=11x21]1803dd614135887.png[/img]+2e=H[img=7x22]1803dd6148ff8b1.png[/img]
    D: Cu[img=17x22]1803dd6126954b7.png[/img]+e=Cu[img=11x21]1803dd614135887.png[/img]
  • 举一反三