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Determine the mass of CO2 and H2O produced on combusting 140 g of C2H2 in the presence of excess O2.
What volume (in L) of hydrogen at STP is produced as sulfuric acid (H2SO4) acts on 102 g of metallic calcium (Ca).
What is the maximum weight of SO3 that could be made from 10.0 g of SO2 and 5.00 g of O2 by the following reaction?