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timurjin [86]
3 years ago
13

What is a solution

Chemistry
1 answer:
Bezzdna [24]3 years ago
5 0
The answer is C. A solution is a mixture of one substance dissolved in another.
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Compute 9.3456+2140.56. Round the answer appropriately.
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How do scientist communicate the results of an investigation?​
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scientists often communicate their research results in three general ways:

1) One is to publish their results in peer-reviewed journals that can be ready by other scientists.

2) Two is to present their results at national and international conferences where other scientists can listen to presentations

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Calculate the number of moles of caco3 (calcium carbonate, or limestone) in a 20.0g sample of this substance
Brrunno [24]
First calculate for the molar mass of the given formula unit, CaCO₃. This can be done by adding up the product when the number of atom is multiplied to its individual molar mass as shown below.

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Then, divide the given amount of substance by the calculated molar mass.
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<em>Answer: 0.2 moles</em>
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Elements that have complete valence electron shells are mostly found in the
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Noble gases have complete valence electron shells
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