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28-05-2019
Chemistry

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What is the pH of a solution that has a hydroxide ion concentration of 1.0×10−9 M?

Respuesta :

29-05-2019

Answer:

[tex]\boxed{\text{pH = 5.00}}[/tex]

Explanation:

Step 1. Calculate the pOH

pOH =-log[OH⁻]

pOH =-log(1.0 × 10⁻⁹)

pOH = 9.00

Step 2. Calculate the pH

pH + pOH = 14.00

pH + 9.00 = 14.00

[tex]\boxed{\textbf{pH = 5.00}}[/tex]

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