9. pH Flashcards

1
Q

pH =

A

pH = -log [H+]

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2
Q

defined as the negative log of Hydrogen ion conc .

A

pH

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3
Q

normal pH

A

7.35-7.45

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4
Q

proton donors

A

Acids

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5
Q

proton acceptors

A

Bases

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6
Q

express the strengths of WA

A

pKa

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7
Q

pH below the pKa

A

more protonated

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8
Q

pH above the pKa

A

more unprotonated

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9
Q

•resist a change in PH when protons are produced or consumed

A

buffers

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10
Q

physiologic buffers

A
  • bicarbonate
  • orthophosphate
  • proteins
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11
Q

used to calculate the conc of weak acid [HA] and its conjugate base in aq soln

A

Henderson Hasselbach eqn

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