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用Ph试纸测定某含0.1mol/L的CH3COOH和0.1mol/L CH3COONa的溶液ph
人气:261 ℃ 时间:2019-08-20 18:47:08
解答
(1)[H+] + [Na+] == [OH-] + [Ac-]
(2)[H+]== [OH-] + [Ac-] - [Na+]
(3)2[Na+] == [HAc] + [Ac-]
(4)[H+]== [OH-] + [Ac-] - ([HAc] + [Ac-])/2
(5)[H+]== [OH-] + ([Ac-] - [HAc] )/2
OK!
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