A buffer is made up of 355mL each of 0.200 M NaHCO3 and 0.134 M Na2CO3. Assuming that volumes are additive, calculate.
A) the pH of the buffer....Which I found to be 10.15
B) the pH of the buffer after the addition of 0.0300 mol of HCl to 0.710 L of buffer. (ANSWER - 9.57)
C) the pH of the buffer after the addition of 0.0300 mol of KOH to 0.710 L of buffer. (ANSWER - 10.60)
Please show all work.