How do we determine solubilities?

Answer 1

How else but by experiment?

All of our solubility rules derive from experiment. Someone in the past or the next past century has tested the solubility of halides, of sulfates, of nitrates, etc. and noted the results. With regard to covalent compounds, again experiment is the key.

Alcohols tend to be soluble in water. Hydrogen halides (actually covalent compounds) dissolve in water with ionization. With respect to the question as to whether the solute was an electrolyte, just what is an electrolyte? How would you test this property?

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Answer 2

Xavier Avery

Experimental methods such as gravimetric analysis, titration, or spectrophotometry are used to measure the amount of solute that dissolves in a given solvent under particular conditions, such as temperature and pressure, in order to determine solubilities.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.