0.1 mol of KBr is dissolved to make 1 L of solution. What is the molarity?

A) 0.2 M

B) 0.05 M

C) 0.1 M

D) 0.3 M

Answer: C

Explanation: Molarity equals moles of solute divided by final solution volume in liters. 0.1 mol divided by 1 L gives 0.1 mol/L.