Alexa, the voice service that powers Echo, provides capabilities, or skills, that enable customers to interact with devices in a more intuitive way using voice. Examples of these skills include the ability to play music, answer general questions, set an alarm or timer and more.
1 Water can dissolve salt because the positive part of water molecules attracts the negative chloride ions and the negative part of water molecules attracts the positive sodium ions. 2  The amount of a substance that can dissolve in a liquid (at a particular temperature) is called the solubility of the substance.
Â· just now. 1  The question of a salt's solubility in water is actually a much more delicate balance than most people realize after taking a first year chemistry course. 2  When an ionic crystal such as NaCl is placed in water, a dissolving reaction will occur. 3  NaCl or salt is a solvent, while water is a very good solute.