Which of the following has pH is equal to near about one
100 ml HCl + 100ml NaOH
55 ml HCl + 44 ml NaOH
10 ml HCl + 90 ml NaOH
75 ml HCl + 25ml NaOH
25 ml NaOH will be neutralise 25 ml HCl. Hence, 50 ml HCl get rest and to the mixing of both solution will give total 100 ml volume.
N1V1 = N2V2
50 × = N2 × 100
N2 = = 0.1 Hence, pH = 1
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