Molarity (M): Molarity refers to the concentration of a solution and is defined as the number of moles of solute per liter of solution.
Solution: A solution is a homogeneous mixture composed of two or more substances. In this case, it would be the mixture of lithium hydroxide with water.
pOH: pOH measures the concentration of hydroxide ions (OH-) in a solution. It provides information about how basic or alkaline the solution is.