Which law of chemical combination is illustrated by the fact that 168g fe reacts with 72g H2O to from 232g Fe3 O4 and 8gH2?
Law of Conservation of mass.
reactants = 168+72 = 240 g
products = 232 + 8 = 240 g
reactants = 168+72 = 240 g
products = 232 + 8 = 240 g