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n NaOH = M × V = 0,05×100 = 5 mmol
untuk mencari konsentrasi campuran maka di cari larutan yang memiliki sisa campuran
CH₃COOH + NaOH --> CH₃COONa + H₂O
M 10 5 - -
R 5 5 5 5
S 5 - - -
jadi konsentrasi yang tersisa adalah CH₃COOH yaitu 5 mmol maka
M = = = 0,025 M
[H⁺] =
[H⁺] =
[H⁺] = ×
pH = -log [H⁺]
pH = - log [×]
pH = 2,5 - log