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barxatty [35]
3 years ago
5

A solution containing aluminium ions forms a white precipitate when a few drops of dilute sodium hydroxide solution are added to

it. For example, sodium hydroxide solution reacts with aluminium sulfate solution. Sodium sulfate solution and solid aluminium hydroxide form. a Write a word equation for this reaction.
Chemistry
1 answer:
Otrada [13]3 years ago
7 0

Answer:

See explanation

Explanation:

A word equation tries to depict a chemical reaction in words. Letters rather than only chemical formulas are used to show the reaction equation.

Now we want to write a word equation that shows the reaction of sodium hydroxide solution and aluminium sulphate solution:

Alumunium sulphate + sodium hydroxide ------>Aluminium hydroxide + sodium sulphate

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garik1379 [7]

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Explanation:

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A block of wood has a mass of 6.0g and a volume of 12.0 cm3.what is the density of the block of wood
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3 0
4 years ago
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The value of the equilibrium constant for the following chemical equation is Kr 40 at 25°C. Calculate the solubility of Al(OH)s(
dedylja [7]

Answer:

0,040 M

Explanation:

The global reaction of the problem is:

Al(OH) (s) + OH⁻ ⇄ Al(OH)₂⁻(aq) K= 40

The equation of equilibrium is:

K = \frac{[Al(OH)_{2} ^-]}{[Al(OH)][OH^-]}

The concentration of OH⁻ is:

pOH = 14 - pH = <em>3</em>

pOH = -log [OH⁻]

[OH⁻] = 1x10⁻³

Thus:

40 = \frac{[Al(OH)_{2} ^-]}{[Al(OH)][1x10^{-3}]}

<em>0,04M =  \frac{[Al(OH)_{2} ^-]}{[Al(OH)]}</em>

This means that 0,04 M are the number of moles that the solvent can dissolve in 1L, in other words, solubility.

I hope it helps!

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