The hydrogen ion concentration of a 10^ -8 M HCl aqueous solution at 298 K (K_W = 10^ -14 ) is:-

NEET 2006 Chemistry question

The hydrogen ion concentration of a HCl aqueous solution at 298 K () is:-

Answer: (2)

At such a low concentration the ions from the ionisation of water cannot be neglected. Let where from water. . \frac10^{-8}\sqrt10^{-16}$ +

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Question ID VK-089617