In any of the following problems you may want to use one of the constants
NA = 6.02 x 1023
R = 0.0821 L atm/K mol
In a certain assay, a number of microbes is measured by determining the mass of the sample. It is known that the average mass of a microbe (of this species) is 6.0 x 10–16 g. How many microbes are in a sample of mass 1.1 x 10–12 g?