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the mass of any substance relative to the amount of the substance; the mass of one mole of any substance, whether it is an atom, a molecule or a compound expressed in grams per mole (g.mol-1)
convert nitrites into nitrates or ammonium ions into nitrites.
reactions in which an atom or group of atoms is replaced in a molecule by another atom or group...
during hydrocracking a high hydrogen concentration (partial pressure) ensures that any shorter...