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slega [8]
3 years ago
15

In which compound does chlorine have the highest oxidation state?

Chemistry
1 answer:
Temka [501]3 years ago
6 0
NACL0. 

Hope this is right! :)
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What concentrations of acetic acid (pKa = 4.76) and acetate would be required to prepare a 0.15 M buffer solution at pH 5.0? Not
Leni [432]

Answer:

Acetic acid 0,055M and acetate 0,095M.

Explanation:

It is possible to prepare a 0,15M buffer of acetic acid/acetate at pH 5,0 using Henderson-Hasselblach formula, thus:

pH = pka + log₁₀ [A⁻]/[HA] <em>-Where A⁻ is acetate ion and HA is acetic acid-</em>

Replacing:

5,0 = 4,76 + log₁₀ [A⁻]/[HA]

<em>1,7378 =  [A⁻]/[HA] </em><em>(1)</em>

As concentration of buffer is 0,15M, it is possible to write:

<em>[A⁻] + [HA] = 0,15M </em><em>(2)</em>

Replacing (1) in (2):

1,7378[HA] + [HA] = 0,15M

2,7378[HA] = 0,15M

[HA] = 0,055M

Thus, [A⁻] = 0,095M

That means you need <em>acetic acid 0,055M</em> and <em>acetate 0,095M</em> to obtain the buffer you need.

i hope it helps!

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3 years ago
Which of the following statements is true? Oceanic crust is thicker than continental crust. Both oceanic and continental crust i
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What is/are the principal product(s) formed when excess methylmagnesium iodide reacts with p-hydroxyacetophenone?
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The end product will depend upon

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b) the final treatment of the reaction

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Figure 1

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Figure 2

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i wold think it is C

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