Gina predicts that one really large cube of sugar will dissolve faster than the same

1 answer:

8 0

The best assessment of Gina's prediction is that the several medium-sized cubes will dissolve faster than the large cube of sugar.

<h3>How does surface area affect solubility?</h3>

The surface area of a substance refers to the total area on the surface of that object.

Surface area plays a vital role in the dissolution of a substance. When a solute dissolves, the action takes place only at the surface of each particle.

This suggests that when the total surface area of the solute particles is increased, the solute dissolves more rapidly, hence, the best assessment of Gina's prediction is that the several medium-sized cubes will dissolve faster.

Learn more about surface area at: brainly.com/question/2835293

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What is the scientific notation for 5,098.000

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What is the total number of oxygen atoms represented in the formula na2c03.10h2o?

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As per the given chemical formula- Na2CO3.10H2O, one mole of the chemical compound contains 13 moles of oxygen atoms. Hence

Number of moles of oxygen atoms in one mole of Na2CO3.10H2O = 13

number of moles of oxygen atoms in 0.2 moles of Na2CO3.10H2O = 13 X 0.2 = 2.6

Now, one mole of a substance contains 6.022 X 10^23 particles of the substance. Thus

number of atoms of oxygen in one mole of oxygen atom = 6.022 X 10^23

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Thus, there are 1.566 X 10^24 atoms of oxygen in 0.2 moles of Na2CO3.10H2O.
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