If the concentrated form of blood expander is 9.0 mol/L and one of your companions, a nurse, tells you that you need to have a final concentration of 0.145M before you can inject this safely, how much concentrated blood expander do you need to make 2 liters of solution?

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth