CHEMISTRY · Multi-part · A Level · Chemistry · Amount of substance · Amount of substance
Problem
Ammonium sulfate, (NH4)2SO4, is a common fertilizer. A gardener adds a 5.00 g portion of this compound to a watering can.
(a) Calculate the number of moles of (NH4)2SO4 contained in the 5.00 g sample.
(b) Determine the total mass of nitrogen atoms delivered to the soil by this addition. Report your answer with the appropriate number of significant figures.