Lecture 3

Question 1

Buffered solutions reduce….

Answer 1

pH fluctuations

Question 2

Adding an acid and conjugate base into a solo will be both a _______________ and a ________.

Answer 2

• defined conc. of buffer

- specific pH

Question 3

Henderson-Hasselbalch

Answer 3

used to determine pH of a given acid/base mix or correct mix to produce a desired pH

Question 4

H+H equation

Answer 4

pH=pKa+log[conj.base]/[acid]

Question 5

If pH is < pKa

Answer 5

-more acid

Question 6

If pH is > pKa

Answer 6

-more basic

Question 7

Both the amino and carboxyl ends of an amino acid can act as…

Answer 7

acid/conj.base pair

Question 8

At low pH, both ends amino and carboxyl ends are…

Answer 8

protonated and charge is +1

Question 9

At high pH, both ends amino and carboxyl ends are…

Answer 9

deprotonated and charge is -1