Open QuestionThe coefficients in a balanced chemical equation always can express the ratio of591views
Multiple ChoiceAmmonium nitrate (NH4NO3), a common fertilizer, is 35.0% nitrogen by mass. How much ammonium nitrate contains 1.25 kg of nitrogen?990views
Multiple ChoiceZeatin, a plant hormone, is known to have 5 nitrogen atoms in every molecule. Nitrogen makes up 33.8% of the mass of the molecule. What is the mass of one molecule in amu?569views