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What is pH???

1) how basic a solution is

2) how acidic a solution is

3) the concentration of potassium ions in a solution

4) the concentration of hydrogen ions in a solution


I need this quick please

User Mgild
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2 Answers

4 votes
4) the concentration of hydrogen ions in a solution
User Mkko
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1 vote
I think it is the second answer
User David Schoonover
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