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DerKrebs [107]
2 years ago
12

If you were a given a beaker containing a clear solution (with no solid solute at the bottom), what simple test would you do to

determine if it is saturated or unsaturated solution?​
Chemistry
1 answer:
raketka [301]2 years ago
6 0

Answer:

put a filter to see if there is any stagering solution

Explanation:

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The physical world around us behaves as it does partly because it’s made of a huge number of tiny molecules, each behaving rando
eduard
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3 0
3 years ago
What is the molarity of 225 grams of Cu(NO2)2 in a total volume of 2.59 L?
Kay [80]

Answer:

The molarity is 0.56\frac{moles}{L}

Explanation:

In a mixture, the chemical present in the greatest amount is called a solvent, while the other components are called solutes. Then, the molarity or molar concentration is the number of moles of solute per liter of solution.

In other words, molarity is the number of moles of solute that are dissolved in a given volume.

The Molarity of a solution is determined by:

Molarity (M)=\frac{number of moles of solute}{Volume}

Molarity is expressed in units (\frac{moles}{liter}).

Then you must know the number of moles of Cu(NO₂)₂. For that it is necessary to know the molar mass. Being:

  • Cu: 63.54 g/mol
  • N: 14 g/mol
  • O: 16 g/mol

the molar mass of Cu(NO₂)₂ is:

Cu(NO₂)₂= 63.54 g/mol + 2*(14 g/mol + 2* 16 g/mol)= 155.54 g/mol

Now the following rule of three applies: if 155.54 g are in 1 mole of the compound, 225 g in how many moles are they?

moles=\frac{225 g*1 mole}{155.54 g}

moles= 1.45

So you know:

  • number of moles of solute= 1.45 moles
  • volume=2.59 L

Replacing in the definition of molarity:

Molarity=\frac{1.45 moles}{2.59 L}

Molarity= 0.56\frac{moles}{L}

<u><em>The molarity is 0.56</em></u>\frac{moles}{L}<u><em></em></u>

5 0
3 years ago
Describe the particles in each state of matter <br><br> Solid:<br> Liquid: <br> Gas:
vichka [17]

Answer:

Solíd= vibrating

liquid= moving slowly

gas= moving faster

8 0
3 years ago
PLEASE HELP. Give the orbital configuration of the phosphorus (p) atom.
Kipish [7]

Answer: 1s^22s^22p^63s^23p^3

Explanation:

Assuming that orbital configuration is the same as electron configuration this is the answer.

4 0
3 years ago
Read 2 more answers
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