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Verdich [7]
3 years ago
9

I am made up of nucleotides. Am I DNA RNA or both?

Biology
1 answer:
mihalych1998 [28]3 years ago
6 0

Answer:

DNA

Explanation:

hope this help's

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A certain buffer is made by mixing a weak acid HA and its conjugate base A–. When HA is present at a concentration of 0.5 mM and
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Answer:The ratio of the concentrations of HA  and A^- when the buffer has a pH of 7.02 is 0.69

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The dissociation constant for formic acid = K_a=1.8\times 10^{-4}

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Using Henderson Hesselbach equation :

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Using Henderson Hesselbach equation :

7.02=6.86+\log \frac{[A^-]}{[HA]}

7.02=6.86+\log \frac{[A^-]}{[HA]}

\frac{[A^-]}{[HA]}=1.44

\frac{[HA]}{[A^-]}=0.69

Thus the ratio of the concentrations of HA  and A^- when the buffer has a pH of 7.02 is 0.69

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