CHEMISTRY 161 Chapter 2. MATTER ATOMS MOLECULES ELEMENTS John Dalton matter is composed of ‘building blocks’
“THE MOLE” Counting Quantities 1.) You can count how many of something you have…… 12 doughnuts in a dozen 10 pins knocked down for a strike 2.) You can.
Solutions © 2009, Prentice-Hall, Inc. Changing Molarity to Molality If we know the density of the solution, we can calculate the molality from the molarity.
IIIIIIIV The Mole I. Molar Conversions A. What is the Mole? n A counting unit n Similar to a dozen, except instead of 12, it’s 602 billion trillion 602,000,000,000,000,000,000,000.
Ch 9 Review the basics. This is just a review of simpler concepts or old material that you should know to be successful with stoichiometry.
Stoichiometry By: Ms. Michelle Buroker Scott High School Taylor Mill, Kentucky Go Eagles! Let’s Get Started!
Chemical Bonds –What are chemical bonds? A Chemical Bond is a link between atoms that results in a structure with Lower Energy that the energy sum of the.
THE MOLE... a unit of counting Quantities in Chemical Reactions.
Atoms are really, really small…… We can not work with individual atoms or AMU’s in the lab. Atomic Mass Unit WHY? Because we can’t see things that small!
Chapter 12 Solutions. Thirsty Solutions 2 When equilibrium is established, the liquid level in the solution beaker is higher than the solution level in.
Moles. Mole: A)A small blind burrowing furry rodent B)A spy C)A skin condition D)6.02 x 10 23.
Moles are a Chemist Best Friend Chapter 10