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What is the pH of a solution that has a hydrogen ion concentration of 1 X 10^-11?
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Awhite powder is added to a solution. the images show observations made before the powder is added, just after the powder has been added, and a little while later. (the liquid in the small beaker is phenol red solution.) what evidence shows that a chemical change has taken place?
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What is the pH of a solution that has a hydrogen ion concentration of 1 X 10^-11?...
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