用石墨做电极、电解1摩每升下列物质的溶液,溶液pH的保持不变的是?A.HCl B.NaOH C.Na2SO4 D.NaCl
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![用石墨做电极、电解1摩每升下列物质的溶液,溶液pH的保持不变的是?A.HCl B.NaOH C.Na2SO4 D.NaCl](/uploads/image/z/5945978-2-8.jpg?t=%E7%94%A8%E7%9F%B3%E5%A2%A8%E5%81%9A%E7%94%B5%E6%9E%81%E3%80%81%E7%94%B5%E8%A7%A31%E6%91%A9%E6%AF%8F%E5%8D%87%E4%B8%8B%E5%88%97%E7%89%A9%E8%B4%A8%E7%9A%84%E6%BA%B6%E6%B6%B2%2C%E6%BA%B6%E6%B6%B2pH%E7%9A%84%E4%BF%9D%E6%8C%81%E4%B8%8D%E5%8F%98%E7%9A%84%E6%98%AF%3FA.HCl+B.NaOH+C.Na2SO4+D.NaCl)
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