The recommended dally allowance (RDA) of selenium in your diet is 55 micrograms. how many atoms of selenium is this? Were learning how to convert grams into moles but I don’t get it

thats a little if u want the answer just look it up on google thats what i do haha : )

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".