The pH of a chemical solution is given by the formula , where is the concentration of hydrogen ions in moles per liter. Values of pH range
from 0 (acidic) to 14 (alkaline). Answer parts (a) through (f).
(a) What is the pH of a solution for which is 0.1 ?
(Type an integer or a decimal.)
(b) What is the pH of a solution for which is 0.01 ?
(cype an integer or a decimal.)
(Type an integer or a decimal.)

Ask by Harrington Gordon. in the United States

Nov 06,2024

Question

The pH of a chemical solution is given by the formula , where is the concentration of hydrogen ions in moles per liter. Values of pH range
from 0 (acidic) to 14 (alkaline). Answer parts (a) through (f).
(a) What is the pH of a solution for which is 0.1 ?
(Type an integer or a decimal.)
(b) What is the pH of a solution for which is 0.01 ?
(cype an integer or a decimal.)
(Type an integer or a decimal.)

Ask by Harrington Gordon. in the United States

Nov 06,2024

UpStudy AI · Accepted Answer

To calculate the pH of a solution using the formula $$ \mathrm{pH} = -\log_{10}[\mathrm{H}^+] $$, we can substitute the given concentrations of hydrogen ions.

(a) For $$ \left[\mathrm{H}^+\right] = 0.1 $$:
$$
\mathrm{pH} = -\log_{10}(0.1) = -(-1) = 1
$$
So, $$ \mathrm{pH} = 1 $$.

(b) For $$ \left[\mathrm{H}^+\right] = 0.01 $$:
$$
\mathrm{pH} = -\log_{10}(0.01) = -(-2) = 2
$$
So, $$ \mathrm{pH} = 2 $$.

Thus, the answers are:
(a) $$ \mathrm{pH} = 1 $$
(b) $$ \mathrm{pH} = 2 $$
(a) $$ \mathrm{pH} = 1 $$ (b) $$ \mathrm{pH} = 2 $$

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