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Calculating pH From Hydrogen Ion Concentration
On the calculation of pH
If you want to know the principle of pH, you need to know the calculation of hydrogen ion concentration. The concentration of hydrogen ions is related to the nature of the acid and base of the substance, and is the key to this research.
There is a way to calculate the value of pH, that is, pH. The method is obtained by the negative logarithm of the concentration of hydrogen ions. If the concentration of hydrogen ions in a liquid is known to be\ (c (H ^ +) \), then\ (pH = -\ lg c (H ^ +) \).
Suppose there is a liquid, measure its hydrogen ion concentration as\ (10 ^ {-5} mol/L\), according to the above method,\ (pH = -\ lg (10 ^ {-5}) = 5\), the liquid is acidic. If the cover\ (pH\) value is less than\ (7\), the liquid is acidic; if it is equal to\ (7\), it is neutral; if it is greater than\ (7\), it is alkaline.
In the field of chemistry, the actuarial\ (pH\) value is crucial. At the time of experiment, if you want to know the acid and base of the solution, you must rely on this calculation. And in industrial production, such as pharmaceuticals, metallurgy, etc., the pH of the control solution is related to the quality of the product, and it is also necessary to calculate it clearly.
Therefore, the method of seeking the concentration of\ (pH\) from hydrogen ions is the basis of chemistry, and scholars must study it carefully.
If you want to know the principle of pH, you need to know the calculation of hydrogen ion concentration. The concentration of hydrogen ions is related to the nature of the acid and base of the substance, and is the key to this research.
There is a way to calculate the value of pH, that is, pH. The method is obtained by the negative logarithm of the concentration of hydrogen ions. If the concentration of hydrogen ions in a liquid is known to be\ (c (H ^ +) \), then\ (pH = -\ lg c (H ^ +) \).
Suppose there is a liquid, measure its hydrogen ion concentration as\ (10 ^ {-5} mol/L\), according to the above method,\ (pH = -\ lg (10 ^ {-5}) = 5\), the liquid is acidic. If the cover\ (pH\) value is less than\ (7\), the liquid is acidic; if it is equal to\ (7\), it is neutral; if it is greater than\ (7\), it is alkaline.
In the field of chemistry, the actuarial\ (pH\) value is crucial. At the time of experiment, if you want to know the acid and base of the solution, you must rely on this calculation. And in industrial production, such as pharmaceuticals, metallurgy, etc., the pH of the control solution is related to the quality of the product, and it is also necessary to calculate it clearly.
Therefore, the method of seeking the concentration of\ (pH\) from hydrogen ions is the basis of chemistry, and scholars must study it carefully.
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