Question

How does the pH Scale Measure Acidity?

Answer 1

To measure acidity by pH scale

• $\mathrm{pH}$ measures the concentration of hydronium ion by ${\mathrm{pH}}^{+}=-\log \left(\right[{\mathrm{H}}^{+}\left]\right)\mathrm{pH}$. $\mathrm{pH}$ is used to estimate the quantity of acid and base present in any substance. It is refers to the potential of hydrogen.
• The pH scale has $0\mathrm{to}14$o 14 levels where $0\mathrm{to}6$ levels represents acidic nature while $7$ is neutral and $8\mathrm{to}14$ levels are of basic nature.
• The acidic solutions has high concentration of ${\mathrm{H}}^{+}$ions.$\mathrm{pH}$ scale test the acidity of a solution, the values below $7$ on $\mathrm{pH}$ scale are $10$ times greater than the higher value. $\mathrm{pH}3$ is $10$times greater than .

Hence, By using $\mathrm{pH}$ formula ${\mathrm{pH}}^{+}=-\log \left(\right[{\mathrm{H}}^{+}\left]\right)\mathrm{pH}$and by the $\mathrm{pH}$ scale's level. The acidity can be measured.