A sample of formic acid (CH2O2) contains 4.05 x 1020 molecules. How many moles of formic acid are in this sample? Be careful: round to the nearest 0.00001 and
include both units and substance in your answer.

28. which is not a reason that water is used to store spent fuel rods from nuclear power plants? water increases the speed of the chain reaction in the fuel rods. water protects nuclear power plant workers from the high temperature and radiation of the fuel rods. water acts as a radiation shield to reduce the radiation levels. water cools the spent rods. salts action