天气预报 > 体育 > 稀硫酸是沉淀吗?
稀硫酸是沉淀吗?
更新时间: 2021-03-10 22:35:06  

1、硫酸银无色结晶或白色结晶性粉末。化学式Ag2SO4。遇光逐渐变黑色。相对分子质量311.80。密度5.45克/厘米3。熔点652℃,于1085℃分解。微溶于水。溶于氨水、硝酸缓慢溶于浓硫酸,不溶于乙醇。可用来作化学试剂。

2、性状:溶于硝酸,氨水和浓硫酸,慢慢地溶于125份水和71份沸水,不溶于乙醇。在纯水中为微溶,并且受溶液环境PH的减小而增大,当氢离子浓度足够大时可以有明显的溶解现象。

关键词: 硫酸 沉淀

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