CHAPTER 10 THE MOLE. Time for the math part of chemistry!
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CHAPTER 10 THE MOLE
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Transcript of CHAPTER 10 THE MOLE. Time for the math part of chemistry!
CHAPTER 10
THEMOLE
Time for the math part of chemistry!
To use chemistry in real-life…you need numbers!
What is a “dozen?”
602,000,000,000,000,000,000,000
Which weighs more a kilogram of feathers, or a kilogram of bowling balls?
Which weighs more a mole of feathers, or a mole of bowling balls?
How big is a MOLE OF MARBLES?
North Building Lobby
Baltimore City
The tallest mountain in the Rockies
What is the purpose of having this huge number?
and why this particular number?
You want to buy oranges….
You can buy them individually, e.g., by the dozen…
Lab Procedure:1. Weigh out a molecule of water
REVIEW: What is an atomic mass unit?(an AMU)
How much does a molecule of water weigh?
1.00 atomic mass unit = 1.6605 x 10-24 grams
Our best balance at Bryn Mawr weighs to 0.001 grams
Time for Dimensional Analysis!
You can buy them by the pound…
