Question

Write an equilibrium reaction equation for each of the following buffer mixtures:

a)NH3(aq) and NH4Cl(aq)

b)HC7H5O2(aq) and NaC7H5O2(aq)

Answer 1

I'm not sure what you want.
NH3 + H^+ ==> NH4^+ oe
NH4^+ ==> NH3 + H^+

Do the same kind of thing for the other one.