Berapakah ph larutan h2s04 0,4 mol yg dilarut kan dlm 1 liter larutan
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Pertanyaan
Berapakah ph larutan h2s04 0,4 mol yg dilarut kan dlm 1 liter larutan
1 Jawaban
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1. Jawaban sandysuhendra
[H2SO4] = n/V = 0,4/1 = 0,4 M
[H+] = 2×0,4 = 0,8 M = 8×10⁻¹ M
pH = - log [H+] = - log 8×10⁻¹ = 1 - log 8 = 1 - 3 log 2 = 0,1