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Molarity, or molar concentration, represents the concentration of a solute in a solution. The unit usually used for molarity in chemistry is mol/L and is represented by the symbol M. Molarity is calculated by determining the number of liters of a solution, determining the number of moles of solute in a solution, and then dividing the number moles of solute by the liters of solution. This customizable and printable worksheet is designed to help students practice calculating the molarity of various solutions. The students will need a periodic table to obtain molecular weights, if you choose to include mass instead of moles of solute. We have a free customizable and printable Periodic Table of Elements for you to use.
The molarity worksheet maker generates up to 10 problems on each worksheet using a customized algorithm to produce problems that are realistic and unique. Many aspects of the problems can be customized to best fit the needs of your students. You have the option to present the amount of solutes to the students as moles, grams, or a mixture of both. The compounds can be identified using the chemical formula, chemical name, or a mixture of both. Each worksheet includes a matching answer key with the PDF. The answers on the key are presented with the correct number of significant figures based on the significant figures in the volume and solute measurements. After the worksheet is customized you can print or download it as a PDF in US Letter or A4 format.