MIXTURES & SOLUTIONS Today you need: Materials to take notes.
PREPARING LABORATORY SOLUTIONS AND REAGENTS I Chapter 21.
Chapter 4: Types of Chemical Reactions and Solution Stoichiometry Mr. Redmond.
Chemistry - moles
Concentrations of Solutions Behavior of solutions depend on compound itself and on how much is present, i.e. on the concentration. Two solutions can contain.
Solutions. Solutions: Basic Definitions Solute – substance that is being dissolved Solvent – substance that dissolves the solute Solution – a mixture.
Physical Properties of Solutions. Homogeneous mixtures: ◦ Solutions – ions or molecules (small particles) ◦ Colloids – larger particles but still uniform.
Chemistry 103 Lecture 20. Chemical Calculations A mixture of 25.0g of H 2 and an excess of N 2 react according to the following equation: 3H 2 (g) + N.
Chapter Four: TYPES OF CHEMICAL REACTIONS AND SOLUTION STOICHIOMETRY.
Net Ionic Equations HCl(aq) + NaOH(aq) NaCl(aq) + H 2 O(l) What really happens: H + (aq) + OH - (aq) H 2 O(l) Sodium ion and chloride ion are “spectator.
Chapter 19: Acids/Bases Properties of an Acid: 1. Taste sour or tart 2. Electrolytic in solution (will conduct electricity when dissociated): a. strong.
Copyright©2000 by Houghton Mifflin Company. All rights reserved. 1 Ch 4: Types of Rxns and Solution Stoik Read for comprehension pp 131 - 147.
