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April 18, 2014

Homework Help: Chemistry PLEASE HELP!!!

Posted by jemima on Tuesday, December 11, 2012 at 12:14am.

'A buffer is prepared by mixing a 100.omL of a 0.100 M NH3 solution with a 0.200M solution of NH4CL solution and making the total volume up to 1.000L of water. What is the volume of NH4Cl solution required to achieve a buffer at ph=9.5? Ka of NH4=5.6x10^-10. The textbook says the answer is 28.1mL.

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