Chapter 11 The Mole Sec. 11.1 Measuring Matter The Mole (mol): SI base unit used to measure the amount of a substance. 1 mole = 6.02 x 10²³ 10²³ representative particles…

THE MOLE Since atoms are so small, any sensible laboratory quantity of substance must contain a huge number of atoms: 1 litre of water contains 3.3 x 1025 molecules. 1 gram…

1.Chapter 12“Stoichiometry”Mr. Mole2. Section 12.1The Arithmetic of EquationsOBJECTIVES:• Explain how balancedequations apply to bothchemistry and everydaylife. 3.…

1. Chapter 12 - Stoichiometry I ‘m back! Objective: To learn how to use a completechemical equation to calculate quantities of a substance 2. Chemical Equations Remember…

1. Unit 9:Chemical Reactions 2. Bellringer 10/15• List 4 signs that let you know achemical reaction has occurred. 3. Objectives• Follow directions•…

1. Unit 9:Chemical Reactions 2. Bellringer 10/15• List 4 signs that let you know achemical reaction has occurred. 3. Objectives• Follow directions•…

Solutions Chemical calculations 1- molecular weight (Mwt) the sum of atomic weights (Awt) of all elements in the formula. Examples: NaCl: Mwt = 23 + 35.5 = 58.5 g/mol CaBr2…

Chapter 12 “Stoichiometry” Chemistry Pioneer High School Mr. David Norton Section 12.1 The Arithmetic of Equations OBJECTIVES: Explain how balanced equations apply to…

200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Conversion Factors Mole to Mole Gram to gram Mole to Particle/liters Limiting…

Catalyst – December 5-3, (2000+9) What is the molar mass (g) of CO2? Using your answer to #1, calculate the mass (g) of 4.0 moles of CO2. How many atoms are in 65 grams…