Answer to Question #263617 in General Chemistry for atenz

General Chemistry

Question #263617

A weak acid has a pK value of 3.8. A solution contains 0.1 M of the acid and 0.3 M of the negatively charged ion.

What is the pH of the solution? Express the result to two decimal places.

pH =

Expert's answer

3.8 – 0.1М

x – 0.3M

x=0.3*3.8/0.1=11.4

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