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How many moles of Ca(OH)(2) must be diss...

How many moles of `Ca(OH)_(2)` must be dissolved to produce 250 mL of an aqueous solution of pH `10.65`, assuming completer dissociation ?

A

`5.6xx10^(-5)`

B

`6.5xx10^(-5)`

C

`4.5xx10^(-5)`

D

`5.4xx10^(-5)`

Text Solution

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The correct Answer is:
A
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MODERN PUBLICATION-EQUILIBRIUM-Objective B.(MCQs)
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  6. 1xx10^(-3)mole of HCl is added to a buffer solution made up of 0.01 M ...

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  7. Calculate the pH of 10^(-8) M HCl solution .

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  8. The two equilibrium AB hArr A^(+)+B^(-) and AB+B^(-)hArrAB(2)^(-) are ...

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  9. 100 mL of 1N H2SO4 is mixed with 100 mL of 1M NaOH solution. The resul...

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  10. pH of a saturated solution fo magnesium hydroxide in water at 298K is ...

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  13. What will be the solubility product of Ca(OH)2 if its solubility is sq...

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  14. For the reaction, SO(2)(g)+1/2O(2)(g)hArrSO(3)(g) if K(p)=K(C)(RT)^(x)...

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