The concentration of the solution is 60 degrees Brix.
Degrees Brix is the sugar content of an aqueous solution. One degree Brix is 1 gram of sucrose in 100 grams of solution and represents the strength of the solution a as percentage by mass.
Mass percent refers to the percentage of solute present in the solution.
The concentration of the substance can be expressed in mass percent.
we have to first calculate mass percent.
So, we can write,
Mass percent = mass of solute / mass of solution x 100.
Mass of solution = mass of solute + solvent.
Here, sucrose is the solute and the water is the solvent.
The mass of the solute is 1.5Kg and the mass of the solvent is 1Kg.
Mass of solution = 1.5 + 1 = 2.5 Kg.
Mass percent = 1.5/2.5x100
Mass percent is 60%.
Here, 1% = 1 degree brix.
So here, 60% = 60 degree brix.
Hence, the concentration of the solution is 60 degree brix.
For a detailed study about mass percent refer given link https://brainly.com/question/13896694.
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