pH = pKa + log base/acid
pH = 4.26
pKa = 4.82
So log A/HA must be negative. Which (A or B) will make it negative?
A buffer contains the weak acid HA abd its conjugated base A-. The weak acid has a Ka of 1.51 x10^-5 and the buffer has a pH of 4.25. Which statement is true about the relative concentrations of HA and A- in the buffer?
A) [HA]>[A-]
B) [HA]<[A-]
C) [HA] = [A-]
1 answer
1 answer