On adding which of the following the pH of 20 mL of 0.1 N HCl will not – InterviewSolution

1.	On adding which of the following the pH of 20 mL of 0.1 N HCl will not alter ?
Answer» 1 mL of 1 N HCl 20 mL of DISTILLED WATER 1 mL of 0.1 N NaOH 500 mL of HCl of pH = 1. Solution :pH of 20 mL of `0.1 N HCl= -log [H^(+)]` `=-log (0.1)=1` The given solution has pH = 1 `therefore` When 500 mL of HCl of pH = 1 is added to the given solution, pH REMAINS same.

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