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Margaret [11]
3 years ago
13

If you had a substance that water will not dissolve, then which of the following compounds would you choose to dissolve this sub

stance?
A. Vegetable oil
B. Any polar substance
C. Any ionic substance.
D. None of the above will work.
Chemistry
1 answer:
yanalaym [24]3 years ago
7 0

Answer:

A. Vegetable oil

Explanation:

Solubility is determined by the principle , "like dissolves like" .

i.e. , if a compound is polar then it will dissolve in a polar compound only , and

if a compound is non - polar then it will dissolve in a non - polar compound only .

Hence , from the question ,

A. Vegetable oil is a non polar compound ,

B. Polar compound

C. ionic compound , is a polar compound .

Since , wate is polar in nature , hence it will get dissolved in a only polar compound ,

Therefore ,

Water will not get dissolved in vegetable oil , being it a non - polar compound .

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Answer:

The correct row is B.

Explanation:

The formation of the magnesium ion, Mg²⁺, comes from the removal of 2 electrons from the valence shell of the magnesium atom.<em> </em>Since the remotion is of electrons, the nucleus of the atom remains the same, so the number of protons and the number of neutrons does not change.<em> </em>

If the number of proton change, then the atom also change, since the identity of an atom is related to the atomic number which is the same to the proton number.          

Now, if the number of neutrons changes, then we would be in the presence of an isotope of the magnesium atom.        

Therefore, the correct row is B.  

I hope it helps you!                            

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What is the final concentration if 50.0 ml of a 2.00 m solution are diluted to 500.0 ml??
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In order to calculate the final concentration of a dilution, it is important to memorise and remember the following equation:

C1V1/C2V2
Where: 
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We are given three of the four, and we are asked to calculate the final concentration in moles, so we may substitute these given values into our equation as follows:

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