Calculate the molarity of a solution prepared by dissolving 0.400 mol of KNO3 into enough water to make 350. mL of solution.
To calculate the molarity of the solution, first convert the volume of the solution from milliliters to liters:
350 mL = 0.350 L
Next, use the formula for molarity:
Molarity = moles of solute / liters of solution
Molarity = 0.400 mol / 0.350 L
Molarity = 1.14 M
Therefore, the molarity of the solution is 1.14 M.