alt Hacker NewsGood thing there are 3*10^21 atoms of H2O in a water drop
Replies
wagwang • yesterday at 10:53 PM
Ok and there are around that many atoms of pfas per tear drop?
Good thing there are 3*10^21 atoms of H2O in a water drop
Ok and there are around that many atoms of pfas per tear drop?
PFAS are expressed as a mass fraction, not mole fraction.