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goldenfox [79]
3 years ago
9

In which situation can a mixture always be called a solution?

Chemistry
2 answers:
SVETLANKA909090 [29]3 years ago
7 0

Answer:

when the mixture is homogeneous

Explanation:

A homogeneous mixture has a uniform composition whereas a heterogeneous mixture does not. A homogeneous mixture exists in a single phase whereas a heterogeneous mixture has more than one phase. For example, salt and water or salt solution is a homogeneous mixture but gravel and water is a heterogeneous mixture. Thus a homogeneous mixture is called a true solution.

Finger [1]3 years ago
5 0
The last one is correct. Homogeneous mixtures are considered solutions, because it is uniform in composition throughout.
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Balanced equation for the reaction:

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DATA GIVEN:

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number of moles = \frac{mass}{atomic mass of 1 mole}

putting the values in the equation

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from the equation

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21.1 moles of NaOH will react to give x moles of Al(OH)3

\frac{1}{3} = \frac{x}{21.1}

7.03 moles of Al(OH)3 is formed.

and

1 mole of Al(OH)3 is formed from 1 mole of Al in the reaction

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mass of Al(OH)3 =7.03 x 78 (atomic mass of Al(OH)3)

          = 548.55 grams

theoretical  yield from the given data is 548.55 grams

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