izabellehannah3363 izabellehannah3363 10-03-2020 Chemistry contestada If a buffer solution is 0.130 M 0.130 M in a weak acid ( K a = 1.4 × 10 − 5 ) Ka=1.4×10−5) and 0.540 M 0.540 M in its conjugate base, what is the pH ?