Post on 06-Jan-2016
description
#7.5 Aim:How do we use moles to count atoms?
Agenda
QOD (5)
Lesson: mole
conversions (5)
Activity:Mole
conversions (25)
Closing (5)
HW #8
Mole conversions
QOD: Show a numerical set-up for calculating the answer to this
problem.
How many grams are present in 2 mol of NaNO3?
#7.5 Aim:How do we use moles to count atoms?
Agenda
QOD (5)
Lesson: mole
conversions (5)
Activity:Mole
conversions (25)
Closing (5)
HW #8
Conversions in chemistry
Use a conversion factor that equals 1 (because we can always multiply anything that equals 1!)
When do you divide by the gram-formula mass? When do you multiply?
Remember from yesterday…
#7.5 Aim:How do we use moles to count atoms?
Agenda
QOD (5)
Lesson: mole
conversions (5)
Activity:Mole
conversions (25)
Closing (5)
HW #8
When you want moles…? Mol = grams x 1 mol
Gram-formula
mass
Review from yesterday…
#7.5 Aim:How do we use moles to count atoms?
Agenda
QOD (5)
Lesson: mole
conversions (5)
Activity:Mole
conversions (25)
Closing (5)
HW #8
When you want grams…? Grams = mol x Gram-
formula mass1 mole
#7.5 Aim:How do we use moles to count atoms?
Agenda
QOD (5)
Lesson: mole
conversions (5)
Activity:Mole
conversions (25)
Closing (5)
HW #8
What is the mass of 4.5 mol of KOH?
#7.5 Aim:How do we use moles to count atoms?
Agenda
QOD (5)
Lesson: mole
conversions (5)
Activity:Mole
conversions (25)
Closing (5)
HW #8
How many grams of oxygen present in 9.0 mol of KOH?
#7.5 Aim:How do we use moles to count atoms?
Agenda
QOD (5)
Lesson: mole
conversions (5)
Activity:Mole
conversions (25)
Closing (5)
HW #8
Activity: Mole conversions
Work with your group-mates to finish the practice we started yesterday. If you finish early, start your HW!
#7.5 Aim:How do we use moles to count atoms?
Agenda
QOD (5)
Lesson: mole
conversions (5)
Activity:Mole
conversions (25)
Closing (5)
HW #8
“If you want the moles, and you have the mass, you
gotta *clap* divide by the gram-formula mass”
#7.5 Aim:How do we use moles to count atoms?
Agenda
QOD (5)
Lesson: mole
conversions (5)
Activity:Mole
conversions (25)
Closing (5)
HW #8
Which table group can sing it best?
Volume counts!
Accuracy counts!
Group participation counts!
Prize: extra-credit point on Friday’s quiz
Contest:
#7.5 Aim:How do we use moles to count atoms?
Agenda
QOD (5)
Lesson: mole
conversions (5)
Activity:Mole
conversions (25)
Closing (5)
HW #8
“If you want the moles, and you have the mass, you
gotta *clap* divide by the gram-formula mass”
#7.5 Aim:How do we use moles to count atoms?
Agenda
QOD (5)
Lesson: mole
conversions (5)
Activity:Mole
conversions (25)
Closing (5)
HW #8
Announcement: Quiz #2 – Moles! tomorrow
Ms. B-Law is collecting: HW #5 – 8, last week’s QOD
#7.5 Aim:How do we use moles to count atoms?
Agenda
QOD (5)
Lesson: mole
conversions (5)
Activity:Mole
conversions (25)
Closing (5)
HW #8
Closing:
Think: how would you set-up this problem numerically?
What is the mass of 2.8 mol of water?