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Bingel [31]
4 years ago
5

(Multiple choice) Which actions are part of the dissolution process of an ionic solute in water?

Chemistry
2 answers:
Svet_ta [14]4 years ago
6 0

Answer:

Each ion is surrounded by water molecules.

Explanation:

During dissolution of ionic solute in water the following process occur

a) Breaking of molecule into separate ions (need lattice energy)

b) hydration of each ion by water molecules (hydration energy is released)

c) due to hydration the ions of solutes further become far from each other.

There is no breaking of water molecule or the ions do not combine to form molecule.

yulyashka [42]4 years ago
3 0

Answer: Each ion is surrounded by water molecules

Explanation: The ions are surround by the water molecules which act as a barrier around the ions and prevent the recombination of ions. The ions are said to be hydrated.

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Solutions of sodium sulfate and silver nitrate are mixed together.
Vera_Pavlovna [14]

Answer:

<em>The correct option is a) Precipitate: silver sulfate </em>

<em> </em>

<em>Net Ionic: 2Ag+ +  SO42 →Ag2SO4</em>

Explanation:

When sodium sulfate reacts with silver nitrate, the following reaction occurs:

2AgNO3 + Na2SO4  → Ag2SO4 + 2NaNO3

The NaNO3 is easily soluble in water. However, silver ions form an insoluble solid with SO4. The Ag+ in this compound will be a cation having a positive charge. The SO4- will be an anion having an negative charge.

The table with solubility rules show that the sulfates of  Ag+, Ca+, Sr2+, Ba2+, Hg22+ and Pb2+ are insoluble.

5 0
3 years ago
Which statement is true about the speed of light? (2 points)
vitfil [10]

Answer:

2nd option is the correct answer of this question

8 0
3 years ago
Read 2 more answers
Please help! What is the molarity of 450 mL of solution containing 15 g NaCl?
siniylev [52]

Answer:

The answer to your question is 0.6 M

Explanation:

Data

Molarity = ?

Volume = 450 ml

mass of NaCl = 15 g

Process

1.- Calculate the molar mass of NaCl

NaCl = 23 + 35.5 = 58.5 g

2.- Calculate the number of moles of NaCl

             58.5 g of NaCl ------------ 1mol

                 15 g of NaCl ------------   x

                         x = (15 x 1)/58.5

                         x = 0.26 moles

3.- Calculate the molarity

Molarity = moles/volume

-Substitutiion

Molarity = 0.26/0.45l

-Result

Molarity = 0.6 M

7 0
4 years ago
Can someone please help me with this
SOVA2 [1]
The answer is I would help but I’m slow
7 0
3 years ago
One of the essences of chemistry is searching for solution to the problem of mankind.
Rudiy27

False

Explanation:

because every problem of a mankind has a solution

6 0
3 years ago
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