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hodyreva [135]
3 years ago
7

How to prepared sodium chloride solution in the laboratory.​

Chemistry
1 answer:
Afina-wow [57]3 years ago
5 0

hope it will help you

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hope it will helps

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When a solute is added to a solution why does it remain homogeneous?
Olenka [21]
<h3>Answer:</h3>

                 When a solute is added to a solution, it remains homogeneous because the solute is soluble in given solvent.

<h3>Explanation:</h3>

                         Homogeneous mixtures, also called true solutions are those mixtures in which the components proportions are same throughout in any given sample. For example, the mixture of table salt (NaCl) and water. When the solution is unsaturated and further NaCl is added to it, it will dissolve the NaCl because the saturation point is still not reached. Remember, as "<em>Like Dissolves Like</em>" NaCl being polar in nature will interact with water molecules and will dissociate into Na⁺ and Cl⁻ ions surrounded by δ- O and δ+ H atoms of water molecules.

<h3>Conclusion:</h3>

                  In order to form a Homogeneous mixture the solution must be unsaturated, solvent must have affinity for incoming solute particles and the size of solute should be equal to 1 Â (Angstrom).

8 0
4 years ago
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Boiling water on a heated stove begins to evaporate into a gas.
laila [671]

Answer:

The temperature will decrease

Explanation:

the particles spread out while releasing heat

7 0
3 years ago
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What is the oxidation state of Hydrogen in H20<br><br> +2<br> +1<br> -2<br> -1
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<h3>What is the oxidation number of oxygen in H2O?</h3>

Oxygen almost always has an oxidation number of -2, except in peroxides (H 2 O 2) where it is -1 and in compounds with fluorine (OF 2) where it is +2. Hydrogen has an oxidation number of +1 when combined with non-metals, but it has an oxidation number of -1 when combined with metals.

<h3><em>Sure hoep this helps you :)</em></h3>
6 0
2 years ago
Why is hydrogen not considered part of any group
Black_prince [1.1K]

Hydrogen atoms one outer electron so would be placed in group 1. However all group 1 elements are metals and elements in the same group have similar properties. Hydrogen is a non-metal and does not behave in the same way as the other group 1 elements, so that is why it is on its own.

3 0
3 years ago
*<br> Why does the mass of a substance remain the same after a chemical reaction?
Ierofanga [76]
ANSWER: because they are not created or destroyed they are just rearranged to form the products
5 0
3 years ago
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