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how to find pH when V1 ml of M/10 HCl mixed with V2 ml M/20 NaOH

how to find pH
when V1 ml of M/10 HCl mixed with V2 ml M/20 NaOH

Grade:11

1 Answers

Suraj Prasad IIT Patna
askIITians Faculty 286 Points
8 years ago
pH will be equal to H+ concentration of the mixture. The H+ conc of the final mix will be :
(M1V1 – M2V2 ) / (V1+V2).
I have used -ve sign because H+ will get consumed up by OH- of NaOH.

Then Simply if we take -log(H+), we will get the pH

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