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lorasvet [3.4K]
3 years ago
8

Which of the following is a solution?

Chemistry
2 answers:
Leya [2.2K]3 years ago
8 0

Answer:brewed coffee

Explanation:A solution is a homogeneous mixture of two or more substances. A solution must have a solute ( a substance that can be dissolved or a soluble substance) and a solvent (a substance, mostly liquid , that can dissolve another substance)

For a substance to be dissolved it depends on its degree of solubility.

For our example coffee beans (solutes) are dissolved in hot water which is a solvent and it becomes a homogeneous mixture which is a brewed coffee ; in which you can no longer separate a solute from a solvent. A solution is in one phase which can be either liquid or solid or gas , one can't see any particles in a solution with their makes eyes.

Alika [10]3 years ago
5 0
I'm pretty sure brewed coffee :)


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prohojiy [21]
The periods inside the Periodic Table is B. a horizontal row, and is numbered 1 through 7


hope this helps
7 0
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It's #9 Pls help will give 100 points and brainiest
Vinil7 [7]

heating is repeated to ensure all water molecules have evaporated

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A solution has a pOH of 8.20. What is the concentration of H3O+?
Sedbober [7]

Answer:

.000001585

Explanation:

14-8.20=5.8

10^-5.8 = H3O+

- Hope this helped! Please let me know if you need further explanation.

7 0
3 years ago
ON a meter stick, one centimeter is generally the___ a)length of the whole stick b)length of the one hundred sticks c)distance b
Elena-2011 [213]

c)distance between two of the numbered lines

Explanation:

On a meter stick, a centimeter is usually the distance between two of the numbered lines. A meter stick is a device for measuring the length of an object.

  • A hundred centimeters makes up a meter and this is the number of divisions on a meter stick.
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7 0
3 years ago
BRAINLIESTTTT ASAP!!! PLEASE HELP ME :)
melomori [17]

Answer:

Double replacement

Precipitation reaction

Explanation:

You have the reaction:

         REACTANTS                          PRODUCTS

BaCl₂ (aq) + Na₂SO₄ (aq) ⇒ 2NaCl (aq) + BaSO₄(s)

The general form of a double replacement reaction is the following:

AB + CD ⇒ CD + AB

The reactants basically, exchanged partners. In the case of your problem, Barium(Ba) and Sodium(Na) switched places. So this makes it a double-replacement reaction.

Now how do I know it is a precipitation reaction. A precipitation reaction occurs when two solutions combine and salt is formed. Salt is solid, so how do I know that's what occured? Look at your equation again:

BaCl₂ (aq) + Na₂SO₄ (aq) ⇒ 2NaCl (aq) + BaSO₄(s)

aq means aqueous (liquid)

s means solid

If you look at the product formed in the reaction, from two solutions, it formed a solid. So this is your clue as to why it is a precipitation reaction.

3 0
3 years ago
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