If a buffer solution is 0.120M in a weak acid (Ka=6.1×10^-5M) and 0.540M in its conjugate base, what is the pH?

If a buffer solution is 0.120M in a weak acid (Ka=6.1×10^-5M) and 0.540M in its conjugate base, what is the pH?

READ ALSO :   Case study for management law "Manu Racing"