Calculate the concentration of Hg2+ ions in a saturated solution of HgS(s). How many Hg^2+ ions are in 1000 L of the solution.

The concentration of   is  

The number of ion  is  

Explanation:

Generally the solubility product constant of HgS(s)  is  

    This  solubility product constant is mathematically represented as

Since the HgS is saturated it implies that the concentration of sulfur ion is the same as that of mercury ion s

=>    

=>  

substituting values

=>  

From above mole of  is equal to 1 L

Then x mole of   will be equal to 1000 L

 Therefore

=>                        

Now the number of   ions are in 1000 L of the solution is mathematically represented as

Where is the avogadro's constant which has a value of  

 Substituting value

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