5. A student's percent error was 15.7%. If the accepted value was 12.06 g, what was their measured value?

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).

Answerhund's rule;

The answer is ax3. hope this