When tin comes in contact with the oxygen in the air, tin(IV) oxide, SnO2, is formed.
A piece of tin foil, 8.25 cm × 21.5 cm × 0.600 mm (d = 7.28 g/cm3), is exposed to oxygen.
(a) Assuming that all the tin has reacted, what is the mass of the oxidized tin foil?
(b) Air is about 21% oxygen by volume (d = 1.309 g/L at 25°C, 1 atm). How many liters of air are required to completely react with the tin foil?
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