How many molecules are there's in 13.5 g of sulfur dioxide SO2

nanotechnology is a powerful tool in biomaterials research as it creates numerous possibilities for the engineering of functional molecules. nano-bio refers to projected ability to incorporate biomimicry into various materials at nanoscale.  

56 moles of   lieter in chemistry

answerleaving cheese out to get moldy;

the answer is 0.42 is that is an option. this question provides no info