Biochemistry Answers

1) You create 200 mL of a 0.35M buffer with a pH of 4.00. You add 8.0 mL of a 0.75M NaOH solution to the buffer you made, what is the new pH?


2) You create 200 mL of a 0.35M buffer with a pH of 4.00. You add 8.0 mL of a 0.75M HCl solution to the buffer you made, what is the new pH?


3) You create 50 mL of a 1.0M buffer with a pH of 4.7. You add 2 mL of a .45M NaOH solution to the buffer you made, what is the new buffer [Base]?

4) You create 150 mL of a 0.88M buffer with a pH of 3.3. You add 20.0 mL of a 0.35M HCl solution to the buffer you made, what is the new Buffer [Base]?


5) You create 50 mL of a 1.0M buffer with a pH of 4.7. You add 2 mL of a .45M NaOH solution to the buffer you made, what is the new buffer [Acid]?

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