pH, pKa, Buffers

Question 1

What makes up extent of dissociation

Answer 1

amount of protons released vs total amount of compound
Strength of acid

Question 2

Every factor of 10 differenc in [H+] is?

Answer 2

1.0 pH unit

Question 3

Every factor of 2 difference in [H+] is?

Answer 3

0.3 pH unit

Question 4

What does titration do?

Answer 4

Describes ratio of conjugate base and acid

Question 5

if pH is equal to pKa, how does this correlate to concentrations?

Answer 5

concentrations are equal

Question 6

pH greater than pKa, correlates to concentrations how?

Answer 6

conjugate base concentration is greater than acid concentration

Question 7

pH is less than pKa, correlats to concentrations how?

Answer 7

conjugate base concentration less than acid concentration

Question 8

normal blood pH

Answer 8

7.40 +/- 0.05

Question 9

normal blood CO2

Answer 9

1.20 mM

Question 10

normal blood PCO2

Answer 10

40 mmHg

Question 11

normal blood [HCO3-]

Answer 11

24 mM

Question 12

blood pH less than 7.35 is?

Answer 12

Acidosis

Question 13

blood pH greater than 7.45 is?

Answer 13

Alkalosis

Question 14

Respiratory acidosis

Answer 14

Decrease ventilation, increased PCO2, (over 40mmHg), HCO3- greater than 24mM, partial renal compensation

Question 15

Metabolic acidosis

Answer 15

decreased extracellular fluid HCO3- under 24mM, PCO2 under 40mmHg, partial respiratory compensation

Question 16

respiratory alkalosis

Answer 16

increase ventilation, decrease PCO2 (<40mmHg, HCO3- <24mM) partial renal compensation

Question 17

metabolic alkalosis

Answer 17

increased extracellular fluid HCO3- (.24mM), PCO2 >40mmHg, partial respiratory compensation