michellegrace549 michellegrace549

10-09-2021
Chemistry

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PLEASE HELP
What is the pH of a weak acid solution that has an [H+] of 2.1 × 10^–6 M

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Аноним Аноним

10-09-2021

Answer:

pH ( potential Hydrogen ) is a negative logarithm of molar concentration of hydrogen ions.

[tex]pH = - log[H {}^{ + } ][/tex]

therefore:

[tex]pH = - log(2.1 \times {10}^{ - 6} ) \\ { \boxed{pH = 5.68}}[/tex]

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