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A certain buffer solution contains equal concentration of X^(-) and HX. K_(b), for X^(-) is 10^(-10). Find the pH of buffer. |
Answer» <html><body><p><<a href="https://interviewquestions.tuteehub.com/tag/p-588962" style="font-weight:bold;" target="_blank" title="Click to know more about P">P</a>><br/></p>Solution :` K_b=<a href="https://interviewquestions.tuteehub.com/tag/10-261113" style="font-weight:bold;" target="_blank" title="Click to know more about 10">10</a> ^(-10 ), Ka = 10 ^(-4)[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/> ` <a href="https://interviewquestions.tuteehub.com/tag/ph-1145128" style="font-weight:bold;" target="_blank" title="Click to know more about PH">PH</a>= P^(Ka) +<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^(-)])/([HX])=-log 10 ^(-4)=4`</body></html> | |