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iren [92.7K]
3 years ago
8

What is the hydrogen ion (H+) concentration of a solution of pH 8?

Chemistry
2 answers:
Harrizon [31]3 years ago
4 0

Answer:

\large \boxed{10^{-8}\text{ mol/L}}

Explanation:

pH = -log[H⁺]

\text{[H$^{+}$]}= 10^{-\text{pH}} \text{ mol/L} = \mathbf{10^{-8}}\textbf{ mol/L}\\\text{The hydrogen ion concentration is $\large \boxed{\mathbf{10^{-8}}\textbf{ mol/L}}$}

fgiga [73]3 years ago
3 0

Answer:

10−8 M.

Explanation:

In this problem we are given pH and asked to solve for the hydrogen ion concentration. Using the equation, pH = − log [H+] , we can solve for [H+] as,

− pH = log [H+] ,

[H+] = 10−pH,

by exponentiating both sides with base 10 to "undo" the common logarithm. The hydrogen ion concentration of blood with pH 7.4 is,

[H+] = 10−7.4 ≈ 0.0000040 = 4.0 × In this problem we are given pH and asked to solve for the hydrogen ion concentration. Using the equation, pH = − log [H+] , we can solve for [H+] as,

− pH = log [H+] ,

[H+] = 10−pH,

by exponentiating both sides with base 10 to "undo" the common logarithm. The hydrogen ion concentration of blood with pH 7.4 is,

[H+] = 10−7.4 ≈ 0.0000040 = 4.0 × 10−8 M.

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