well,for example
NH3 = 14 + 3*1 = 17 grams/mole
14 of the 17 is N
100 *14/17 = 82.3% N
do the others the same way
Rank the following fertilizers in decreasing order of mass percentage of nitrogen:
NH3
Ca(NO3)2
CH4N2O (Urea)
NH4Cl
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