What is a Mole Chemists use the mole to count microscopic particles. How many socks come in a pair? 2 How many eggs are in a dozen? 12 How many eggs come.
Chemistry Raymond Chang 10 th edition Chapter 3 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
Entry Task: Block 1 Feb 1 st - 2 nd Block 2 Entry Task Question: WRITE THE QUESTION DOWN! How many moles are in 2.57 x10 48 molecules of phosphorus dioxide?
STOICHIOMETRY Mass relationships between reactants and products in a chemical reaction.
Questions From HW.. 1. The Zn in a 0.7556-g sample of foot powder was titrated with 21.27 mL of 0.01645 M EDTA (Y 4- ). Calculate the percent Zn in this.
Stoichiometry The Mathematics of Chemical Equations.
STOICHIOMETRY
Stoichiometry
