How many grams of nitrogen dioxide are in 1.28 x 10^23 molecules of nitrogen dioxide (NO2)?
A. 9.78g of NO2
B. 9.78 moles of NO2
C. 9.78 x 10^23
D. 9.78 g x10^23

it's filtration, but this is an assumption so my apologies if i got this

he uptake of drugs from the intestine is often strongly influenced by diffusion. for example, consider a water-insoluble steroid for treating inflammation that is solubilized in aggregates of detergent molecules, called micelles. these micelles, aggregates of 80 soap molecules, have a molecular weight of 24,000, a diameter of 2.6 nm, and a charge of -27. the positively charge ions (counterions) in this system are na".