You have 4 litres of a 3.0 mol/L solution of NaCl in a chemical store room. How many moles of NaCl are present?

Identify the missing numbers below to show the result of multiplying the numbers (1.6 × 10-19)(5.0 × 106) = c × 10d

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.