1. The relationship between thenumber of moles of a substance with its mass 2. Molar Mass Relate to Avogadro ConstantMeaning 3. MassAmount of substance50 g of 2 kg of flower…

Chapter 3 Mass Relations: Stoichiometry Atomic number # of p+ in nucleus Mass number # of p+ and n0 in nucleus Mass # v. Atomic mass Isotope Mass # Atomic mass Oxygen-16…

Quantitative Chemistry Quantitative Chemistry Chapter 3 Objectives Learning objective 1.2 The student is able to select and apply mathematical routines to mass data to identify…

Mole Concept Counting Units A pair refers to how many shoes? A dozen refers to how many doughnuts or eggs? How many pencils are in a gross? How many pieces of paper are in…

A. What is the Mole? A counting number (like a dozen) Avogadro’s number (NA) 1 mol = 6.02  1023 items 1 mole of hockey pucks would equal the mass of the moon! A. What…

Chapter 3 Mass Relations: Stoichiometry Atomic number # of p+ in nucleus Mass number # of p+ and n0 in nucleus Mass # v. Atomic mass Isotope Mass # Atomic mass Oxygen-16…

Avogadro’s Number 6.02 X 1023 1 Mole of anything 6.02 X 1023 of that thing Can be: - atoms - molecules - ions Particles 0.5 Mole 3.01 X 1023 0.25 Mole 1.50 X 1023 2.0 Mole…

Moles! Moles! Whatcha talknâ about a mole? Firstâ¦a dozen. 12 cookies = 12 bagels = 12 cans = 12 footballs = 12 dance moves = As scientist we need to determine something…

Chapter Three: STOICHIOMETRY 講義 Assignment for Chapter 3 13,18,28,52,59,68,78,83,91,101,130 Core Materials Stoichiometry Mole Molar mass Percent composition Empirical…