A multi-nutrient fertilizer contains several different nitrogen containing compounds. The fertilizer is 54.1% CH. NO (urea), 21.4% KNO3, and 14.8% (NH2),HPOby mass. The remainder of the fertilizer consists of substances that do not contain
nitrogen. How much fertilizer should someone apply to provide 2.50 g N to a plant?

Endeleev saw trends in the physical and chemical properties of elements when he organized them by

Adilute aqueous potassium nitrate solution is

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?