tentukan ph dari H2SO4 dengan konsentrasi 0,05 M

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10-04-2018
Chemistry

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tentukan ph dari H2SO4 dengan konsentrasi 0,05 M

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transitionstate transitionstate · Answer 1 · 2018-04-22T02:46:44+02:00

Asam Sulfat pada disosiasi memberikan dua H⁺ sebagai;

H₂SO₄ ⇆ 2 H⁺ + SO₄²⁻

Jadi, untuk konsentrasi yang diberikan, konsentrasi H⁺ adalah,

[H⁺] = 2 × 0.05

[H⁺] = 0.1 M

pH dihitung sebagai,

pH = -log [H⁺]

Menempatkan nilai H⁺

pH = -log (0.1)

pH = 1