Lab for Physical Science or Chemistry Students in Grades 9-12
Lab: How Big is a Mole?
Give your students the extra practice they need to master the mole concept and conversion problems that involve moles and molecules.
Matter can be measured in several ways. You might count how many of something you have, or you might determine the mass or volume of a substance. One commonly used unit that describes how much matter is contained in a substance is the mole (mol). The mole is the SI unit for amount of substance. It has been experimentally determined that a mole of any substance will contain 6.02 x 1023 particles of that substance.
Students often have a difficult time grasping the concept of the mole. They may need many opportunities to practice mole conversion problems.
This very simple activity is designed to give students the extra practice they need to grasp the mole concept.
1. To determine the number of molecules and/or atoms in small amounts of everyday substances.
2. To determine how many moles of chalk it takes to write your name on the board.
Simple Materials List:
Balance, water, salt, sugar, plastic spoon, chalk, chalkboard.
Students find the mass of small amounts of common, everyday substances, then use this mass in a variety of calculations involving moles, molecules, and atoms.
Students are also required to design an experiment to determine the number of moles of chalk it takes to write their name on a chalkboard.
This activity is quick and easy to set up. Just print these students pages, place items at lab stations, and you are ready for a great practice and review activity.
Complete Teacher Guide and Answer Key Included.
Related products include:
Chemistry Lab: Determination of an Empirical Formula
Lab: Percent Composition
Lab: Mole and Mass Relationships
Lab: Understanding the Mole concept
Determining Empirical Formulas Worksheet
Introduction to Stoichiometry Worksheet Bundle
Lab: Composition of a Hydrate
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