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 characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.

Find the missing probability in the table below a.0.10 b.40 c.0.80 d. 0.20

How can the number of core electrons be determined from the periodic table