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HClO is a weak acid (Ka = 4.0 × 10–8) and so the salt NaClO acts as a weak base. What is the pH of a solution that is 0.054 M in NaClO at 25 °C?

Question

HClO is a weak acid (Ka = 4.0 × 10–8) and so the salt NaClO acts as a weak base. What is the pH of a solution that is 0.054 M in NaClO at 25 °C?

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Step 1

Ka of HClO is given as 4 x 10-8. It is required to calculate the pH of solution that is 0.054M in NaClO. The dissociation of NaClO is given as,

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Step 2

Since, there is a formation of OH-, let us calculate Kb, which can be done as,

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Step 3

Now let us prepare a...

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Chemistry

Equilibrium Concepts

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