What do plants need to grow?

When 0.422g of phosphorus is burned, 0.967g of a white oxide is obtained. a. Determine the empirical formula of the oxide b. write a balanced equation for the reaction of phosphorus and molecular oxygen on the basis of this empirical formula

A sample of an unknown compound with a mass of 0.847 g has the following composition: 50.51 % fluorine and 49.49 % iron. When this compound is decomposed into its elements, what mass of each element would be recovered?

A scientists compares two samples of white powder

340.5 g of sodium bromide To moles of sodium bromide

An aqueous antifreeze solution is 40.0% ethylene glycol (C2H6O2) by mass. The density of the solution is 1.75 g/cm3. Calculate the molality, molarity, and mole fraction of the ethylene glycol.

What are the uses of evaporative salts?

Which of the following are elements? O2 Ca KF B

Which of the characteristics below best describes organic compounds

Record the length of the line shown in millimeters

Convert 15.0 inches to meters. Show detailed work