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H₂SO₄ ⇒ 2H⁺ + SO₄²⁻ [H⁺] = 2 x [H₂SO₄] = 0,2 M
[H⁺]campuran = 0,1 + 0,2 = 0,3 = 3 x 10⁻¹
pH = -log[H⁺] = -log(3 x 10⁻¹) = 1 - log3
0,1+0,1 = 0,2
Ph= -log 0,2
Ph= -log 2x10^-1
Ph= 1-log2
Ph= 0,7