What is the number of moles of KF in a 29-gram sample of the compound?
1.0 mol
2.0 mol
0.50 mol
5.0 mol

The total number of nucleons

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).