Larutan NaCH3COO 0,1 M mempunyai pH sebesar… (Ka CH3COOH = 1 x 10^-5)​

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Larutan NaCH3COO 0,1 M mempunyai pH sebesar… (Ka CH3COOH = 1 x 10^-5)​

Jawaban:

pH = 3

Penjelasan:

[H^{+}] = √Kα . M

[H^{+}] = √10^{-5} . 10^{-1}

                          = √10^{-6}

                          = 10^{-3}

pH = – log [H^{+}]

pH = – log [10^{-3}

pH = 3