A sample of ammonium nitride ((NH4)3N) has a mass of 3.22 g. (a) How many NH4+ ions are present?
ions

(b) How many N3- ions are present?
ions

(c) What is the mass in grams of one formula unit of (NH4)3N?

Is this a single replacement reaction or there is no

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule

How many liters of ethylene glycol antifreeze (c2h6o2), with a density of 1.100 g/l, would you add to your car radiator containing 15.0 kg of water if you needed to protect your engine to - 21.5°c? for water, kf = 1.86°c m -1.