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Rank the following fertilizers in decreasing order of mass percentage of nitrogen:
KNO3, NH3, (NH4)2SO4, (NH4)2HPO4, NH4NO3, (NH4)H2PO4
Fertilizers are utilized to provide nutrients to plants to increase yield and growth of plants. It is important to note that nitrogen (N) is an essential nutrient that plants require because it assists plants in producing amino acids as well as proteins. Phosphorus (P) as well as potassium (K) are two additional substances that fertilizers usually contain.
Answer
To address this issue We will determine the nitrogen mass percentage in each chemical by using an equation like:
masspercentage = molar mass of atoms of nitrogen / molar mass of compound ×100%
Molar mass measurements of the elements are calculated by using the periodic table. We must determine the number of atoms in every element are present by multiplying the masses of the molars by the number of atoms present in each element .
Utilizing the above mass percentages We can now classify them in order of decreasing value:
NH3 > NH4NO3 > (NH4)2HPO4 > (NH4)2SO4 > KNO3 > (NH4)H2PO4