A 25.0ml sample of 0.1 M HCl is titrated with 0.1 M NaOH . What is the pH of the solution at the points where 24.9 and 25.1 ml of NaOH have been added ?

A 25.0ml sample of 0.1 M HCl is titrated with 0.1 M NaOH . What is the

1.	A 25.0ml sample of 0.1 M HCl is titrated with 0.1 M NaOH . What is the pH of the solution at the points where 24.9 and 25.1 ml of NaOH have been added ?
Answer» <html><body><p>`3.<a href="https://interviewquestions.tuteehub.com/tag/70-333629" style="font-weight:bold;" target="_blank" title="Click to know more about 70">70</a>,10.70 `<br/>` 3.30, 10.30` <br/>` 3. 70 , 10 .30` <br/>` 3. <a href="https://interviewquestions.tuteehub.com/tag/0-251616" style="font-weight:bold;" target="_blank" title="Click to know more about 0">0</a>, 11 . 10 ` </p>Solution :` at =24.9 <a href="https://interviewquestions.tuteehub.com/tag/ml-548251" style="font-weight:bold;" target="_blank" title="Click to know more about ML">ML</a>` <br/>`N_aV_a =25xx 0.1 , N_b V_b =24.9xx 0.1` <br/>` [H^(+) ]_("left")=(2.5 - 2.49)/(50.1 )=2 xx 10 ^(_4)` <br/> ` pOH =3.7 rArr pH=10.3` <br/></body></html>