Question
Question: What is the \(pH\) of a \(0.000460M\) solution of \(Ca{\left( {OH} \right)_2}\) ?...
What is the pH of a 0.000460M solution of Ca(OH)2 ?
Solution
In science, we have to know that the pH, signifying 'capability of hydrogen' or 'force of hydrogen') is a scale used to determine the corrosiveness or basicity of a fluid arrangement. Acidic (arrangements with higher groupings of H+ particles) are estimated to have lower pH esteems than fundamental or basic arrangements.
Complete step by step answer:
In the given details, we have to know that, to calculate the pH concentration of Ca(OH)2 . So, that first, we have to find out the pOH value.
By using the following expression,
pOH=−log[OH−]
Where,
[OH−]=0.000460M
Therefore,
pOH=−log(0.000460)
Now,
pOH=3.34
Then, we have to find the pH value by using the following expression,
pH+pOH=14
Rewrite the above expression,
pH=14−pOH
Applying pOH value in the above equation,
pH=14−3.34=10.66
Hence,
The pH=10.66 .
Additional Information: The pH scale is logarithmic and conversely demonstrates the convergence of hydrogen particles in the arrangement. This is on the ground that the recipe used to figure pH approximates the negative of the base logarithms of the molar centralization of hydrogen particles in the arrangement. All the more definitely, pH is the negative of the base 10 logarithms of the movement of the H+ ion. The pH of fluid arrangements can be estimated with a glass terminal and a pH meter, or a shading evolving pointer. Then, the estimation of pH is significant in science agronomy, medication, water treatment, and numerous different applications.
Note: We have to know that the pH scale is detectable to a bunch of standard arrangements whose pH is set up by peaceful accord. Essential pH standard qualities are resolved utilizing a focus cell with transaction, by estimating the expected distinction between a hydrogen cathode and a standard terminal like the silver chloride anode.