Anhydrous sodium sulfate put in a solution

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The discussion focuses on the process of adding anhydrous salts to a solution, emphasizing the importance of stopping the addition when clumping ceases and the salts move freely. This approach ensures a uniform and homogeneous solution, which is crucial for achieving consistent results in chemical reactions. The concept behind this is that anhydrous salts must be fully dissolved and evenly distributed in the solvent to prevent localized concentrations that could affect the overall reaction. Freely moving salts indicate that they are adequately dissolved, allowing for optimal interaction within the solution.
member 392791
Hello,

I am confused, when putting in the anhydrous salts, why is it that you stop putting it in until clumping stops and it freely moves in the solution?
 
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So that we may get a uniform homogenous solution?
 
I am asking conceptually how the anhydrous salt works, and what it means when it is freely moving
 

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