Chemistry, 15.11.2019 21:31 rubyfun58

The buffer solution is used to control the ph to insure that it does not become too high because excessively basic solutions could cause the corresponding hydroxides of hard metal ions (such as ca(oh)2 and mg(oh)2) to precipitate. using the calcium ion as a typical representative, just how high a ph do you think could be considered as "too high" for a solution with a hardness of about 250 ppm caco3? ksp for ca(oh)2 is 6.5 x 10-6.

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The buffer solution is used to control the ph to insure that it does not become too high because exc...