List the three main steps of the scientific method and
briefly explain each step.

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit

Use the periodic table to determine how many grams of oxygen would be required to react completely with 859.0 g c2h2