A certain buffer solution contains equal concentration of X^(-) " and " HX.The K_(b) " for " X^(-) " is " 10^(-10) .Find the pH of the buffer .

A certain buffer solution contains equal concentration of X^(-) " and

1.	A certain buffer solution contains equal concentration of X^(-) " and " HX.The K_(b) " for " X^(-) " is " 10^(-10) .Find the pH of the buffer .
Answer» <html><body><p></p>Solution :`k_(a) . k_(b)^(-<a href="https://interviewquestions.tuteehub.com/tag/14-272882" style="font-weight:bold;" target="_blank" title="Click to know more about 14">14</a>) "" :. K_(a) = (<a href="https://interviewquestions.tuteehub.com/tag/10-261113" style="font-weight:bold;" target="_blank" title="Click to know more about 10">10</a>^(-14))/(10^(-10)) = 10^(-4)` <br/> `pH = pka + <a href="https://interviewquestions.tuteehub.com/tag/log-543719" style="font-weight:bold;" target="_blank" title="Click to know more about LOG">LOG</a>.([x^(-)])/([<a href="https://interviewquestions.tuteehub.com/tag/hx-492904" style="font-weight:bold;" target="_blank" title="Click to know more about HX">HX</a>]) ` <br/> ` :. pH = 4 + log. 1/1 = 4 "" :. pH = 4`</body></html>