ph=5的H2SO4溶液,加水稀释到500倍,则稀释后[SO4 -2-]与[H+]的比ph=5的H2SO4溶液,加水稀释到500倍,则稀释后[SO4 -2-]与[H+]的比值为?

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ph=5的H2SO4溶液,加水稀释到500倍,则稀释后[SO4 -2-]与[H+]的比
ph=5的H2SO4溶液,加水稀释到500倍,则稀释后[SO4 -2-]与[H+]的比值为?