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Pavlova-9 [17]
3 years ago
10

Which property of an unsaturated solution of sodium chloride in water remains the same when more water is added to the solution?

Chemistry
1 answer:
kompoz [17]3 years ago
6 0
<span>Choice 3) The absolute mass of the sodium chloride itself will not change since only water is added but there will be a higher ratio of water to sodium chloride so any ratio-based property will change. Boiling point is including as being directly affected by the ratio of water to sodium chloride so this would also change when more water is added.</span>
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4 0
2 years ago
Which represents the self ionization of water at 25 degrees
gayaneshka [121]
This question comes with four answer choices:

<span>A. H2O + H2O ⇄ 2H2 + O2

B. H2O + H2O⇄  H2O2 + H2

C. H2O + H2O ⇄ 4H+ + 2O2-

D. H2O + H2O ⇄  H3O+ + OH-

Answer: option </span><span>D. H2O + H2O ⇄  H3O+ + OH-

(the +sign next to H3O is a superscript, as well as the - sing next to OH)

Explanation:

The self-ionization of water, or autodissociation, produces the two ions H3O(+) and OH(-). The presence of ions is what explain the electrical conductivity of pure water.

</span><span>In this, one molecule of H2O loses a proton (H+) (deprotonates) to become a hydroxide ion, OH−. Then, he <span>hydrogen ion, H+</span>, immediately protonates another water molecule to form hydronium, H3O+.
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3 years ago
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kolbaska11 [484]

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4 0
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At the end of the reaction you washed the chemicals into a beaker using water. Why was it OK to use water to do this if Grignard
lesya692 [45]

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Explanation:

There will be no reaction of water with the Grignard reagent since the reaction has ended, as it is well known that water is a universal solvent for washing of glasswares after experiments but if it is during the reaction it will be more advisable to rinse with alcohol to enhance more accuracy during the experiment

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Aleksandr-060686 [28]

Answer:

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The solubility of a solid is a measure of its ability to dissolve in a liquid while for liquids,  the miscibility is a measure of thhe liquid to mix with anoyjer liquid resulting in a soltion which can hold any amount of either liquids. Immiscible liquids are those that are not soluble or have very limited solibility with each other.

C₉H₂₀ (nonane)→C₂H₅F (fluoroethane)→C₂H₅Cl (chloroethane)→H₂O (water)

In the order of decreasing miscibility as like dissolve like, ability to dissociate and polar and organic characteristics are considered

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