A buffer solutionis prepared by mixing 50 mL of 0.2 Mof acetic acid with .x. mL of 0.2 M of NaOHsolutions. If pH of the resulting buffersolutions is 4. 7 then value of .x.is (Ka= 2xx10 ^(-5))

A buffer solutionis prepared by mixing 50 mL of 0.2 Mof acetic acid wi

1.	A buffer solutionis prepared by mixing 50 mL of 0.2 Mof acetic acid with .x. mL of 0.2 M of NaOHsolutions. If pH of the resulting buffersolutions is 4. 7 then value of .x.is (Ka= 2xx10 ^(-5))
Answer» <html><body><p>28 mL <br/> 22 m L <br/>24 mL <br/><a href="https://interviewquestions.tuteehub.com/tag/25-296426" style="font-weight:bold;" target="_blank" title="Click to know more about 25">25</a> mL </p>Solution :` pH =pKa +log "" ([S])/([A]), 4.7 =4.7 +log "" ([S])/([A]) ` <br/> `<a href="https://interviewquestions.tuteehub.com/tag/rarr-1175461" style="font-weight:bold;" target="_blank" title="Click to know more about RARR">RARR</a> [S]=[A]` <br/> ` x <a href="https://interviewquestions.tuteehub.com/tag/xx-747671" style="font-weight:bold;" target="_blank" title="Click to know more about XX">XX</a> 0.2 = 50 xx 0.2 - x xx 0.2 ` <br/> `rArr x = ( 50 xx 0.2)/(2 xx 0.2 )= 25 mL `</body></html>