Question

A solution of HCl has mc012-1. Jpg = 0. 01 M. What is the pH of this solution? Use mc012-2. Jpg. â€""2 â€""1 1 2.

Answer 1

The pH of a solution depicts the alkalinity or the acidity of the components of the solution and is given as a negative log function of hydrogen ions.

The pH of the solution is:

2

The pH can be estimated as:

$\rm pH= - log \;H^{+}$

• Ionic equation of reaction is written as:

$\rm HCl = H^{+}+ Cl^{-}$

• The mole ratio between HCl and $\rm H^{+}$ = 1 : 1

• Concentration of $\rm H^{+}$ = 0.01 M

$\begin{aligned}\rm pH & = - \rm log \; 0.01\\\\&= 2 \end{aligned}$

Therefore, 2 is the pH of the solution.

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