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 sulfuric acid with water.
pH: pH is a measure of how acidic or basic a solution is. It ranges from 0 to 14, with values below 7 indicating acidity and values above 7 indicating alkalinity.