PLS HELP it’s a ab a lake

Calculate the molarity of each of the following solutions. part a) 0.12 mol of lino3 in 5.5 l of solution part b) 60.7 g c2h6o in 2.48 l of solution part c) 14.2 mg ki in 100 ml of solution

Light waves can move through , but they travel fastest when they move through a(n) .

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