What is the pH of a solution that contains 0.23 M HC2H3O2 and 0.10 M C2H3O2-? Use Kb = 5.6 x 10-10 for C2H3O2-.

Enzyme make a hormone as a catalyst

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).