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Calculate pH of sol. whose hydrogen ion conc.is 2×10^-5 gm per litre.
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The given concentration of H+ ion is 2x 10^(-5) M
As we know, pH= -log[H+]
pH = - log ( 2x 10^-5)
= -log2 + 5
= 5 - 0.30
= 4.70
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