Commercial grade hcl solutions are typically 39. 0% (by mass) hcl in water. Determine the molarity of the hcl, if the solution has a density of 1. 20 g/ml.

Which best describes the activation energy of a chemical reaction? a. the combined energy of all the reactants b. the amount of energy required for a reaction to occur c. the difference in energy between products and reactants d. the potential energy stored in the bonds of reactants and products