Metals, bases, certain metal hydroxides and certain metal carbonates, are insoluble in water. You add the base/carbonate/metal to the warm acid until no more will dissolve and you have some of the ...

One of the most abundant elements on Earth (the sixth in order of weight abundance), magnesium occurs naturally in crustal rocks, mainly in the form of insoluble carbonates, sulfates and silicates.

There are three distinct steps when preparing a dry sample of a soluble salt from an insoluble oxide or carbonate and dilute acid: filtration, evaporation, crystallisation. It's important to ...