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MA_775_DIABLO [31]
3 years ago
7

Question Determine the concentration of hydroxide ions for a 25 °C solution with a pH of 8.22. . Your answer should contain 2 si

gnificant figures.​
Chemistry
1 answer:
mariarad [96]3 years ago
5 0

Answer:

[OH^-]=1.7x10^{-6}M

Explanation:

Hello!

In this case, since the pOH of a solution can be computed when knowing the pH as shown below:

pH+pOH=14\\\\pOH=14-8.22=5.78

And therefore, the concentration of hydroxide ions based on the definition of pH:

[OH^-]=10^{-pOH}

In such a way, we obtain:

[OH^-]=10^{-5.78}=1.7x10^{-6}M

Best regards

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