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Chemistry Forums for Students => Analytical Chemistry Forum => Topic started by: n00b2 on March 31, 2014, 11:33:22 AM

Title: Calculate the pH of solution formed on mixing 0.8M NH3 and 0.7M NH4Cl...
Post by: n00b2 on March 31, 2014, 11:33:22 AM

Calculate the pH of solution formed on mixing 0.8M NH3 and 0.7M NH4Cl .The Kb(NH3 ) is 1.85x10-5.
Can anyone pls solve this one??
I know the answer but i can't find out how i can solve this... :-\

Title: Re: Calculate the pH of solution formed on mixing 0.8M NH3 and 0.7M NH4Cl...
Post by: Borek on March 31, 2014, 12:07:18 PM

Just plug these numbers into Henderson-Hasselbalch equation.

Title: Re: Calculate the pH of solution formed on mixing 0.8M NH3 and 0.7M NH4Cl...
Post by: n00b2 on April 03, 2014, 01:13:12 PM

no luck @ all :(

Title: Re: Calculate the pH of solution formed on mixing 0.8M NH3 and 0.7M NH4Cl...
Post by: sjb on April 03, 2014, 02:04:28 PM

Quote from: n00b2 on April 03, 2014, 01:13:12 PM

no luck @ all :(

What is the Henderson Hasselbach equation?