Answer:
What is a concentrated solution?
<em>Concentrated solution is a solution that contains a large amount of solute relative to the amount that could dissolve.</em>
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4Fe + 3O2 = 2Fe2O3
I believe this would be the Balanced chemical equation for the above description.
Given Isotopes 
- Average atomic mass of Cl=35.453u
Now
Masses of isotopes are Cl-35 and Cl-37
Let
- %abundance of Cl-35 isotope be x
- % abundance of Cl-37 isotope =100-x
ATQ











And

- %abundance of Cl-35=77.35%
- %abundance of Cl-37=22.65%
Answer:
like, plasmas have no fixed shape or volume, and are less dense then solid or liquids but unlike ordinary gases, plasma are made up of atoms in which some or all of the electrons have been stripped away and positively charged nuclei, called ions, roem freely