Sunday, 24 November 2013

What do you mean by pH?


pH is defined as the decimal logarithm of the reciprocal of the hydrogen ion activity, aH+, in a solution.






































\mathrm{pH} = - \log_{10}(a_{\textrm{H}^+}) = \log_{10}\left(\frac{1}{a_{\textrm{H}^+}}\right)                                                                                                                                                      
More easily pH may be defined as the negative decimal logarithmic value of molar concentration of hydrogen [H+] of a solution.

 pH = -log[H+]
at

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