0.3 mol of ZnSO₄ is dissolved to make 0.5 L of solution. What is the molarity?

A) 0.7 M

B) 0.6 M

C) 0.3 M

D) 1.2 M

Answer: B

Explanation: Molarity equals moles of solute divided by final solution volume in liters. 0.3 mol divided by 0.5 L gives 0.6 mol/L.