Explanation:
The molarity (mol/L) is the ratio between the amount of substance in the solute (n1) and the volume of the solution in liters (V). The formula to find the molarity is: M = n1/V
First, let's transform 75.0 grams of KNO3 into moles using the following formula:
moles = mass/molar mass
molar mass of KNO3 is 101.1032 g/mol
moles = 75/101.1032
moles = 0.742 moles
So:
M = 0.742/0.350
M = 2.12 M
Answer: 2.12 M solution
