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Colt1911 [192]
3 years ago
10

Which is longer DNA or chromosone

Chemistry
2 answers:
Sliva [168]3 years ago
8 0

Answer:

DNA

Explanation: Because if you stretch DNA it gets longer.

cluponka [151]3 years ago
3 0
DNA but can I get brainliest
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Find the pH of a 0.100 molar H2C6O6 solution with ka, where KA is equal 8.0×10–5​
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The pH of the solution is 2.54.

Explanation:

pH is the measure of acidity of the solution and Ka is the dissociation constant. Dissociation constant is the measure of concentration of hydrogen ion donated to the solution.

The solution of C₆H₂O₆ will get dissociated as C₆HO₆ and H+ ions. So the molar concentration of 0.1 M is present at the initial stage. Lets consider that the concentration of hydrogen ion released as x and the same amount of the base ion will also be released.

So the dissociation constant Kₐ can be written as the ratio of concentration of products to the concentration of reactants. As the concentration of reactants is given as 0.1 M and the concentration of products is considered as x for both hydrogen and base ion. Then the

K_{a}=\frac{[H^{+}][HB] }{[reactant]}

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8 * 10^{-5} =\frac{x^{2}  }{0.1}\\\\\\x^{2} = 8 * 10^{-5}*0.1

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Then

pH = - log [x] = - log [ 0.283 * 10^{-2}]\\ \\pH = 2 + 0.548 = 2.54

So the pH of the solution is 2.54.

4 0
2 years ago
How is the periodic law demonstrated in halogens
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