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Harman [31]
3 years ago
13

The large diversity of biological molecules depends on atoms of the element __________. this element can make stable bonds to it

self and to atoms of other elements. without this element, the large macromolecules that make up most of the molecules in living organisms would not be possible.
Chemistry
1 answer:
frosja888 [35]3 years ago
3 0
It would be carbon C!
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What is the ratio of the concentration of sodium acetate to the concentration of acetic acid at ph 5.75?
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To get the ratio of the concentration of sodium acetate to the concentration of acetic acid we are going to use H-H equation:

when:

PH = Pka + ㏒[salt/acid]

when the Ka of acetic acid = 1.75 x 10^-5 

so, we can get Pka from this formula:

Pka = -㏒Ka

       = -㏒1.75 x 10^-5

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and when we have PH = 5.75, so by substitution:

∴ 5.75 = 4.76 + ㏒[acetate/ acetic acid]

∴ [acetate/acetic acid] = 9.77

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