Chemistry, 10.03.2020 09:03, val926

All the substances listed below are fertilizers that contribute nitrogen to the soil.
Which of these is the richest source of nitrogen on a mass percentage basis?
(a) Urea, (NH2)2 CO
(b) Ammonium nitrate, NH4 NO3
(c) Nitric oxide, NO
(d) Ammonia, NH3

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All the substances listed below are fertilizers that contribute nitrogen to the soil.
Which o...