In NH3 there is one nitrogen atom and 3 hydrogen atoms. Nitrogen has a molar mass of 14.01 and Hydrogen has a molar mass of 1.008. Therefore: 1*(14.01) + 3*(1.008) = 17.034 So for every mole of NH3 you will have 17.034 grams.
spout verb (SPEAK) âº [ T, I + adv/prep ] disapproving to speak a lot, in a way that is boring or annoying for other people: He spouts a load of pretentious nonsense and people are stupid enough to believe him! I really don't want to listen to Mike spouting on/off all afternoon.
spool. 1  any cylindrical piece or device on which something is wound. 2  a small cylindrical piece of wood or other material on which yarn is wound in spinning, for use in weaving; a bobbin.