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valina [46]
4 years ago
13

Why should you be careful when you heat your NaCl solution to evaporate the water?

Chemistry
1 answer:
ivolga24 [154]4 years ago
7 0

Answer & Explanation:

  • If we heat the NaCl solution strongly, it boils and moves vigorously causing some of the solution to get out of the container.
  • This will cause loss of NaCl in the amount that get out of the container.
  • So, this affect the yield of the obtained NaCl after water evaporation.
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Which of the following is true concerning y? A) wdescribes the probability of finding an electron in space. B) ya describes the
earnstyle [38]

Answer:

wdescribes the probability of finding an electron in space.

Explanation:

The quantum mechanical model of the atom assigns wave properties to the electron. This is in accordance with Heisenberg's uncertainty principle.

The probability of finding the electron in a given volume element is given as the square of the wave function while the wave function itself does not really have a physically significant meaning.

However, the wave function is a mathematical function that contains a detailed information about the behavior of an electron.

3 0
4 years ago
If you have 485L of carbon dioxide combine with lithium hydroxide to produce lithium carbonate in water how many grams of lithiu
iVinArrow [24]

This method relies on the exothermic reaction of lithium hydroxide with carbon dioxide gas to create lithium carbonate (Li2CO3) solid and water (H2O).

might be wrong but....oh well

8 0
4 years ago
12. Convert 600 mg to grams. Show your work.
nadya68 [22]

Answer:

600 milligrams=0.6 grams

Explanation:

1 milligram=0.001 grams and 1 gram= 1000 milligrams

So, to convert milligrams to grams, multiply the mg value by 0.001 or divide by 1,000.

Example:

If you want to know how many grams 300 mg is, you would divide 300 by 1,000, which would get you 0.3 grams.

4 0
3 years ago
What is the empirical formula for a substance if a 201.6 g sample of it contains 54.0 grams of nitrogen, 15.0 grams of hydrogen,
jeyben [28]

The empirical formula of the substance would be  NH_4Cl

<h3>Empirical formula calculation</h3>

The constituents of the compound are as follows:

N = 54/201.6 = 26.78% = 26.78/14 = 1.91 moles

H = 15/201.6 = 7.44% = 7.44/1 = 7.44 moles

Cl = 132.6/201.6 = 65.48% = 65.48/35.5 = 1.84 moles

Divide the number of moles by the smallest"

N = 1.91/1.84 = 1

H = 7.44/1.84 = 4

Cl = 1.84/1.84 = 1

Thus, the empirical formula is NH_4Cl

More on empirical formula can be found here: brainly.com/question/14044066

#SPJ1

6 0
2 years ago
Why do we write chemical compounds inside brackets
ch4aika [34]

The square brackets are used in case of complex compounds. This is known as coordination sphere. There is a metal in the coordination sphere and ligands attached to it. This complete set of metals and ligands inside the brackets is complex ion or molecule.

The ions outside this coordination sphere are counter ions of the complex.

It represents that if the complex compound is dissolved in water it will give a complex ion and the counter ion. The atoms in the bracket cannot break there bonds and will remain un-dissociated.

If there is no such bracket then it will represent simple or binary salt.

6 0
4 years ago
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