Are there solutes that are insoluble in water?

Answer 1

Yes, normally we call them bricks.

Materials that are non-molecular are generally insoluble in any solvent. This includes ionic species (especially those with ions of mulitple charge, phosphates, carbonates, oxides, sulfides), and also network covalent solids such as glass (and bricks) and carbon. Water is an exceptionally powerful solvent, because it can solvate (i.e. dissolve) a variety of ionic solids.

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Answer 2

Avery Adams

Yes, there are solutes that are insoluble in water. These solutes typically have polarities or molecular structures that do not allow them to interact effectively with water molecules, preventing them from dissolving in water. Examples of insoluble solutes include certain oils, fats, waxes, and nonpolar compounds like hydrocarbons.

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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.