Question

When we write NaCl(s)H2O−−→Na++Cl−, what do we mean by Na+(aq), and Cl−(aq)?

Answer 1

NaCl is formed by the ionic bond between sodium and chlorine.

It means that sodium (Na) is a cation and chlorine (CL) is an anion

Answer 2

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Na+ mean that it has the valency of positive and the ability to loss one electron and Cl- means that it has the valency of negative one and the ability to gain one electron.

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