Se evapora todo el disolvente de una disolución cuya concentración es 0,1 M de CuSO4. Sí tenemos 2L de disolución ¿qué cantidad obtendremos de sal?

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.