What is the molarity of a solution of KNO_3 that contains 404 grams of KNO_3 in 2.00 liters of solution?

1 Answer
Apr 21, 2016

Approx. 2 mol*L^-1.

Explanation:

"Concentration "= "Moles of solute"/"Volume of solution"

We assume that potassium nitrate dissolves in the given volume of solvent without gross change in volume.

"Concentration "=(404*cancelg)/(101.10*cancelg*mol^-1)xx(1/(2.00*L)) = ??mol*L^-1.