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<u>Answer:</u> The concentration of evaporated solution is 0.794 M
<u>Explanation:</u>
To calculate the molarity of the diluted solution, we use the equation:

where,
are the molarity and volume of the evaporated solution
are the molarity and volume of initial solution
We are given:

Putting values in above equation, we get:

Hence, the concentration of evaporated solution is 0.794 M
The answer is matter. This is explained in many books and theories.