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.
spigot. 1  a small peg or plug for stopping the vent of a cask. 2  a peg or plug for stopping the passage of liquid in a faucet or cock. 3  a faucet or cock for controlling the flow of liquid from a pipe or the like. 4  the end of a pipe that enters the enlarged end of another pipe to form a joint.