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A student measures the pH of a solution to be 6.8. Which should the student add if she wants to decrease the pH of the solution?
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A student measures the pH of a solution to be 6.8. Which should the student add if she wants to decrease the pH of the solution?

User Iwao Nishida
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PH refers to the concentration of the hydrocarbons were lower than 7 means it is acidic and greater than 7 it is basic. In the problem, since our goal is to help the student arrive at a more acidic solution, we need to add "ACID".
User Hoong
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