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Berapa volume Ba(OH)2 0,1 M dan CH3COOH 0,05 M agar diperoleh 400 mL larutan penyangga dengan pH = 5+2 log 2( Ka CH3COOH) = 10^-5

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  • [H+]= 4x10^-5

    [H+] = ka . n asam lemah / x . n garam
    4x10^-5 = 10^-5 . 0,05V/ 2. 0,02
    4 = 1,25 V
    V = 3,2 L

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