Chemistry, 12.08.2019 16:20 novarosell
When elemental iron corrodes it combines with oxygen in the air to ultimately form red brown iron (iii) oxide which we call rust. (a) if a shiny ironnail with an initial mass of 23.2 g is weighed after being coated in a layer of rust, would you expect the mass to have increased, decreased, or remained the same? explain. (b) if the mass of the iron nall increases to 24.1 g what mass of oxygen combined with the iron?
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