试题与答案

亚硝酸(HNO2)的下列性质中,不能证明它是弱电解质的是 A.常温下,把pH=2

题型:选择题

题目:

亚硝酸(HNO2)的下列性质中,不能证明它是弱电解质的是

A.常温下,把pH=2的亚硝酸溶液稀释100倍后pH=3.5

B.常温下,0.1mol/L的亚硝酸溶液的PH约为2

C.100mL l mol/L的亚硝酸溶液恰好与100mL l mol/L的NaOH溶液完全反应

D.常温下,等物质的量浓度的亚硝酸溶液和盐酸分别与碳酸钠粉末反应,前者反应产生的气体速率较慢

答案:

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