How many moles of acetic acid does 2.4 x 10 to the 24th power molecules represent?

In 2002, the rare earth elements mine in mountain pass, california was closed because

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

How many moles of no2 will form when 3.3 moles of cu are reacted with excess hno3?