Chemistry, 21.01.2020 02:31 starfox5454
When an iron nail rusts it seems to get heavier in mass. does the iron nail follow the law of conservation of mass?
a. no rusting is an exception to the law of conservation of mass.
b. no since rusting is a chemical change it does not follow the law of conservation of mass.
c. yes, iron chemicals before the reactions, the mass after the reactions is the same.
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