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ANEK [815]
3 years ago
6

Hellllllllllppppppppppppppp!

Chemistry
2 answers:
s2008m [1.1K]3 years ago
6 0
What is your question??????
Art [367]3 years ago
3 0
Please list your question in the comments.
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it is C it splits atoms

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Read the scenario and then answer the question.
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Elias could be standing on the transform boundary.

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<u>Explanation:</u>

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3 years ago
What will be the mass of carbon dioxide
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44.01 g/mol is the mass
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2 years ago
The pKa of chloroacetic acid is 2.9. If an organic chemist has a 0.10 M aqueous solution of chloroacetic acid at pH 2.4, what pe
Trava [24]

Answer:

The answer is given below.

Explanation:

We will consider the acid as HA and will set up an ICE table with the equilibrium dissociation of α.

AT pH 2.4 the initial H+ concentration will be 3.98^10-3 M

                      HA →              H+         +      A-

Initial concentration:  0.1    →  3.98 ^10-3       +      0

equilibrium concentration:  0.1(1-α) →   3.98 * 10-3 + 0.1α              0.1α

pKa of chloroacetic acid is 2.9

-log(Ka) = 2.9

Ka = 1.26 * 10-3

From the equation, Ka = [H+] * [A-] / [HA]

1.26 * 10-3 = (3.98 * 10-3 + 0.1α )* 0.1α / 0.1(1-α)      

Since α<<1, we assume 1-α = 1

Solving the equation, we have: α = 0.094

Since this is the fraction of acid that has dissociated, we can say that % of base form = 100 * α= 9.4%

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Approximately how many natural forming elements are there
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