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2 years ago

Describe what happens on the molecular level when acetic acid dissolves in water.

1 answer:

3 0

Since most acetic acid molecules do not dissociate when a sample is dissolved in water, acetic acid and water molecule interactions are what determine how soluble a substance is. In its liquid state, water forms a network of hydrogen bonds among its molecules; when a material dissolves in water, this network of hydrogen bonds is broken.

<h3>What is acetic acid such a poor electrolyte?</h3>

Since acetic acid is a weak acid, only a small portion of the acetic acid molecules react to produce ethanoate and hydronium ions, shifting the equilibrium position substantially to the left. Aqueous acetic acid is a weak electrolyte as a result of the existence of these few ions.

<h3>Why does acetic acid have a low conductivity?</h3>

The majority ($> 99%) of the acetic acid molecules remain after dissolution, with only a very tiny portion deprotonating to form acetate anions. Only the latter are charged compounds, and as a result, only these increase the conductivity of the solution. They are few, and conductivity is low.

<h3>What makes acetic acid more potent than water?</h3>

The equilibrium shifts to the left and the concentration of hydrogen ions decreases when a strong acid is added to the buffer solution. A strong base is also added, which causes the equilibrium to move to the left and results in a smaller pH increase. Because of this, acetic acid is a better buffer than water.

Learn more about Acetic acid

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3 years ago

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3 years ago

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3 years ago

How many grams of carbon (C) would be present in carbon monoxide (CO) that contains 2.666 grams of oxygen (O)? For example if th

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Given :

Mass of oxygen containing carbon monoxide (CO) is 2.666 gram .

To Find :

How many grams of carbon (C) would be present in carbon monoxide (CO) that contains 2.666 grams of oxygen (O) .

Solution :

By law of constant composition , a given chemical compound always contains its component elements in fixed ratio (by mass) and does not depend on its source and method of preparation.

So , volume of solution does not matter .

Moles of oxygen , $n=\dfrac{2.666}{16}=0.167\ mole$ .

Now , molecule of CO contains 1 mole of C .

So , moles of C is also 0.167 mole .

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3 years ago

Help please help me

Alenkasestr [34]

Answer: It completely dissociates in water is a characteristic of strong acid.

Explanation:

An acid which dissociates completely to give hydrogen ions $(H^{+})$ is called a strong acid.

For example, HCl is a strong acid and it dissociates completely as follows.

$HCl \rightleftharpoons H^{+} + Cl^{-}$

Strong acids are able to conduct electricity in water as more number of ions are present in the solution as compared to the ions present in a solution of weak acid.

Strong acids increase the concentration of $H^{+}$ ions.

Thus, we can conclude that it completely dissociates in water is a characteristic of strong acid.

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4 years ago