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What is concentration of hydrogen ion a given acid if its PH value is 9?​

User Thirtydot
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2 Answers

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pH = -log[H+], so [H+] = 10^-pH

[H+] = 1 • 10^-9 M
User Stepan Dyatkovskiy
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-log(9)= -0.954
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User Littlee
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