Homework Statement
Calculate the equilibrium constant if you are given gibbs energy for the following molecules
NH3=-26kJ/mol
H2O-237.13kJ/mol
NH4+=-79.31kJ/mol
OH-=157.3kJ/mol
How many moles of NH4Cl must be added to 1.0L of 0.10M NH3 to make a buffer whose pH is 9.0...
Homework Statement
Given 250ml of 0.1M HC3H5O2 (Ka=1.35E-5) What volume of
a)1.0M HCl is needed to lower the pH to 1.00.
b) 1.00M NaC3H5O2 raise pH to 4.00
Homework Equations
pH=pKa-log (HA/A)
ICE chart
The Attempt at a Solution
I used the ice chart for the dissociation of...