Lab calculations please help immediately!?

I WILL RATE YOU 10 POINTS IF YOU SHOW ME HOW TO DO THIS:

For Part A: Undiluted BUffers there are three Buffers: A, B, and C

ADD HCl:

Buffer A: pH of original buffer solutions is 10.09

Volume of .100 M HCl to change pH by 1.0: .15 mL

Final pH: 9.06



Buffer B:

pH of original buffer solutions: 9.01

Volume of .100M HCl to change pH by 1.0: .15mL

Final pH: 8.07



Buffer C:

pH of original buffer: 9.09

Volume of .100 M HCl to change pH by 1.0: .63mL

final pH: 8.18



ADD NaOH:

Buffer A:

pH of original buffer solutions: 11.08

volume of .100M NaOH to change pH by 1.0 :.42mL

final pH: 12.16



Buffer B:

pH of original: 10.67

volume of .100 M NaOH change pH by 1.0: .34mL

final pH: 11.73



Buffer C:

pH original: 8.47

Volume of .100M NaOH: .26 mL

final pH:9.54



PART B: DILUTED BUFFERS

ADD HCl, same # moles as Part A:

BUFFER A:

pH of original: 10.04

Volume of .100 M HCl to change pH by 1.0: .075mL

final pH: 8.85



BUFFER B:

pH original: 8.84

volume HCl: .16mL

final pH: 1.99



ADD NaOH, same # of molLab calculations please help immediately!?
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