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Class X Sciences

[papers from previous years]

What effect does an increase in concentration of
H+ (aq.) in a solution have on the pH of



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Increase in concentration of  H⁺  hydrogen ions  will  decrease the value of  pH.  The solution will become more acidic.

pH of an aqueous solution is defined as the activity of the Hydrogen ions.   pH between 0 and 7 implies acids  and between 7 and 14 implies basic.

pH = - Log_{10}\ [ a_{H^{+}} ] = Log_{10}\ [\frac{1}{a_{H^{+}}}]

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