9.8 grams of nitrogen (N), 4.4 grams of carbon dioxide, and 0.20 grams of helium gas are in a container with a total pressure of 253 kPa. What is the partial pressure of each
gas? (Hint- to use a mole fraction, you must first convert to moles)

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.  

i think its 100

i hope this !