You have the following data for the mass percent of a compound. Calculate
the empirical formula for this compound.
39.6 % K
27.9 % Mn
32.5 % O

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