This a a chem question abt catalysts and reverse reactions!!

How many moles are equivalent to 55.5g of nano3

What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots