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KspKsp for HgSO4 is 6.4×10-5, what is the solubility of the salt -

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Question

`"K"_"sp"` for HgSO4 is `6.4 xx 10^-5`, what is the solubility of the salt?

Options

  • `8 xx 10^-3`

  • `8 xx 10^-2`

  • `8 xx 10^-4`

  • `8 xx 10^-5`

MCQ

Solution

`bb(8 xx 10^-3)`

Explanation:

Let the solubility of the salt be

S = `sqrt("K"_"sp")`   ...(where, Ksp = solubility product)

`= sqrt(6.4 xx 10^-5) = 8 xx 10^-3 "mol L"^-1`

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