相同温度下,下列物质导电能力最强的是A.100mL,0.2mol/L的KOH溶液B.2L,0.1mol/L的CH3COOH溶液C.100ml,0.2mol/L的HF溶液D.50ml,0.2molL的K2SO4溶液说下理由
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![相同温度下,下列物质导电能力最强的是A.100mL,0.2mol/L的KOH溶液B.2L,0.1mol/L的CH3COOH溶液C.100ml,0.2mol/L的HF溶液D.50ml,0.2molL的K2SO4溶液说下理由](/uploads/image/z/3408472-64-2.jpg?t=%E7%9B%B8%E5%90%8C%E6%B8%A9%E5%BA%A6%E4%B8%8B%2C%E4%B8%8B%E5%88%97%E7%89%A9%E8%B4%A8%E5%AF%BC%E7%94%B5%E8%83%BD%E5%8A%9B%E6%9C%80%E5%BC%BA%E7%9A%84%E6%98%AFA.100mL%2C0.2mol%2FL%E7%9A%84KOH%E6%BA%B6%E6%B6%B2B.2L%2C0.1mol%2FL%E7%9A%84CH3COOH%E6%BA%B6%E6%B6%B2C.100ml%2C0.2mol%2FL%E7%9A%84HF%E6%BA%B6%E6%B6%B2D.50ml%2C0.2molL%E7%9A%84K2SO4%E6%BA%B6%E6%B6%B2%E8%AF%B4%E4%B8%8B%E7%90%86%E7%94%B1)
相同温度下,下列物质导电能力最强的是A.100mL,0.2mol/L的KOH溶液B.2L,0.1mol/L的CH3COOH溶液C.100ml,0.2mol/L的HF溶液D.50ml,0.2molL的K2SO4溶液说下理由
相同温度下,下列物质导电能力最强的是
A.100mL,0.2mol/L的KOH溶液
B.2L,0.1mol/L的CH3COOH溶液
C.100ml,0.2mol/L的HF溶液
D.50ml,0.2molL的K2SO4溶液
说下理由
相同温度下,下列物质导电能力最强的是A.100mL,0.2mol/L的KOH溶液B.2L,0.1mol/L的CH3COOH溶液C.100ml,0.2mol/L的HF溶液D.50ml,0.2molL的K2SO4溶液说下理由
D
B,C是弱酸 直接不考虑
A虽然离子浓度是100*0.2=20但是一个KOH只含两个离子
所以D是50*0.2*4=40