An aqueous solution of sodium chloride, NaCl has a mol fraction of 0.15. calculat the percent of Nacl ​

Just took the quiz on edgenuity and the correct answer is "c.  4.54 x  10–12  j"

In reversible reaction chemistry equilibrium is attained when the forward and reverse reactions are taking place at the same rate, thus, the concentrations of reactants and products remain the same. a reversible reaction is a chemical reaction where the reactants form products that, in turn, react together to give the reactants back. in irreversible reactions on the other hand, the reactants react to form the products, which cannot revert back into reactants.

Aand x are the answers to your question.hope it !