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ddd [48]
4 years ago
6

When aluminum is combined with oxygen, aluminum oxide is formed. The rearrangement of the atoms involved is an example of what?

Chemistry
2 answers:
STatiana [176]4 years ago
6 0
This is a chemical change. Bonds are formed between the two elements.
pav-90 [236]4 years ago
4 0
Hello

B) will most likely be your answer

Have a nice day!
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27.2 kg of a solution containing 18.7 % KCl by mass
zheka24 [161]

The amount of potassium chloride (KCl) in 27.2 kg of a solution containing 18.7% KCl by mass solution is 5.086 kg.

<h3>How to find the mass of solute ? </h3>

Mass of solute = Mass percent of solute x  Mass of the solution

Here,

Mass percent of solute = 18.7 %

Mass of the solution = 27.2 kg

Now put the value in above formula we get

Mass of solute = Mass percent of solute x  Mass of the solution

                         = \frac{18.7}{100} \times 27.2\ kg

                         = \frac{508.64}{100}

                         = 5.086

Thus from the above conclusion we can say that The amount of potassium chloride (KCl) in 27.2 kg of a solution containing 18.7% KCl by mass solution is 5.086 kg.

Learn more about the Mass Percent here: brainly.com/question/26150306

#SPJ1

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2 years ago
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adell [148]

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9.01 grams

Explanation:

~18.02 grams are in 1 mole of water so you'd divide that in half to get 9.01 grams.

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A base produces OH-1 ions when dissolved in solution<br> . True<br> . False
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The Golgi, that’s the answer:)
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