admin百科知識 2022-02-13 21:59:08 關於HCL溶液PH0.1摩爾HCL,0.1摩爾醋酸,0.001摩爾NaOH,0.1摩爾NaOH 這四個溶液的PH值各是多少?關於HCL溶液PH0.1摩爾HCL,0.1摩爾醋酸,0.001摩爾NaOH,0.1摩爾NaOH這四個溶液的PH值各是多少?網友廻答：匿名網友要想知道某溶液的PH值,必須知道氫離子的物質的量濃度.所以你的題目無法廻答.如果都改成0.1mol/L,那倒可[kě]以廻答.因爲鹽酸、氫氧化鈉都是強酸強堿,那麽近似地看成氫離子與氫氧根完全電離,所以0.1摩爾/L的HCL PH值是-log0.1=1,0.001摩爾/L的NaOH PH值是11,0.1摩爾/L的醋酸PH值一定大於1,因爲醋酸是弱酸,氫離子不能完全電離.0.1摩爾/L的NaOH PH值是13. db標簽 生活常識_百科知識_各類知識大全»關於HCL溶液PH0.1摩爾HCL,0.1摩爾醋酸,0.001摩爾NaOH,0.1摩爾NaOH 這四個溶液的PH值各是多少?
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