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It depends on the original pH of both solutions.
When more solvent is added to a solution to decrease it's concentration the action is known as dilution.
increase
When citric acid is added, or any acid for that matter, the pH of a substance will decrease. This is because since acids have a low pH they will decrease the pH of other substances when added to it.
Sodium carbonate is added with the purpose to increase the pH of the solution.
It increases.
It depends on the original pH of both solutions.
When more solvent is added to a solution to decrease it's concentration the action is known as dilution.
increase
it decreases
(2) increase, then decrease
When citric acid is added, or any acid for that matter, the pH of a substance will decrease. This is because since acids have a low pH they will decrease the pH of other substances when added to it.
Sodium carbonate is added with the purpose to increase the pH of the solution.
Sodium carbonate is added to increase the pH of the solution.
ammonia solution is added during the preparation of EDTA solution to increase the rate of dissolution of its disodium salt.
A small amount of acid is added to a buffer solution. The pH of the solution will stay about the same.
Increase