Chlorine dioxide (ClO2) has been used as a disinfectant in air-conditioning systems. It reacts with water according to the equation:
6 ClO2 + 3H2O --> 5HClO3 +HCl
Determine the numbers of grams of which reactant remain if the reaction is complete, if 142.0 g ofClO2 is mixed with 38.0 g of H2O.