3 years ago

Which is a characteristics of all ions

Chemistry

1 answer:

Sholpan [36]3 years ago

4 0

Answer:

All ions must a overall charge

Explanation:

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Red, green and blue light all have the same frequency and wavelength. True or false

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3 years ago

In the laboratory, a general chemistry student measured the pH of a 0.529 M aqueous solution of phenol (a weak acid), C6H5OH to

Artyom0805 [142]

Answer:

The dissociation constant of phenol from given information is $9.34\times 10^{-11}$ .

Explanation:

The measured pH of the solution = 5.153

$C_6H_5OH\rightarrow C_6H_5O^-+H^+$

Initially c

At eq'm c-x x x

The expression of dissociation constant is given as:

$K_a=\frac{[C_6H_5O^-][H^+]}{[C_6H_5OOH]}$

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$5.153=-\log[x]$

$x=7.03\times 10^{-6} M$

$K_a=\frac{x\times x}{(c-x)}=\frac{x^2}{(c-x)}=\frac{(7.03\times 10^{-6} M)^2}{ 0.529 M-7.03\times 10^{-6} M}$

$K_a=9.34\times 10^{-11}$

The dissociation constant of phenol from given information is $9.34\times 10^{-11}$ .

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3 years ago

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Which could be soluble in soap?

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I hope it helps, Regards.

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3 years ago

When organizing your narrative, what are the 3 sections that make up a story (planning the specific order)

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Answer:

#1 Exposition

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3 years ago