What mass of Na2SO4 is produced when sulfuric acid reacts with 10.5 grams of sodium chloride? 2 NaCl + H2SO4→ 2 HCl + Na2SO4
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Nonmetals usually react by gaining electrons

Cis the

Remember that rust prevented by placing a sacrificial electrode in electrical contact with the iron. the sacrificial electrode must be composed of a metal that  oxidizes  more easily than iron (that is, it must be below iron in table 18.1).

Polyethylene is a strong synthetic polymer that can be used to make toys and bottles. polyethylene is a plastic material called thermoplastic. one very useful property of thermoplastic is that when it is heated it turns into liquid, which can be molded into desired shape and size. also the material do not dissolve at room temperature.