One strategy for dealing with the acidification of lakes is to periodically add powdered limestone (CaCO3) to them. In this instance it is assumed that the lake in question has more than enough powdered limestone in it to saturate the water with its ions Ca2+ and CO32-Write the charge balance equation for this system.Write the carbonate system reactions and equations.Calculate the pH of the lake.

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Asked Sep 23, 2019
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One strategy for dealing with the acidification of lakes is to periodically add powdered limestone (CaCO3) to them. In this instance it is assumed that the lake in question has more than enough powdered limestone in it to saturate the water with its ions Ca2+ and CO32-

  • Write the charge balance equation for this system.
  • Write the carbonate system reactions and equations.
  • Calculate the pH of the lake.
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Expert Answer

Step 1

The chemical reaction of carbonates and its equation

 

co,+H0H+HCo
HCOH+Co
IJC2-[HCo]12[co][O[Ho][o]
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co,+H0H+HCo HCOH+Co IJC2-[HCo]12[co][O[Ho][o]

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Step 2

The saturated value of carbon dioxide can be calculated as

 

-0.033363mx360x10atm
Lam
=12x10 mal
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-0.033363mx360x10atm Lam =12x10 mal

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Step 3

Hence, the concentration of a saturated solution ...

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