1 / 11

CHEMISTRY

CHEMISTRY. Feb 24, 2011. Warm Up. Place your homework on the table How many moles are there in 67 L of H 2 gas? How many moles are there in 78 g of Mg(OH) 2 ?. Agenda. Warm Up Grade Unit 8 Worksheet 1 Unit 8: Intro to Mole Part II Quiz Homework Unit 8 Worksheet 2 Test Make Up

rsanchez
Download Presentation

CHEMISTRY

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. CHEMISTRY Feb 24, 2011

  2. Warm Up • Place your homework on the table • How many moles are there in 67 L of H2 gas? • How many moles are there in 78 g of Mg(OH)2?

  3. Agenda • Warm Up • Grade Unit 8 Worksheet 1 • Unit 8: Intro to Mole Part II • Quiz • Homework • Unit 8 Worksheet 2 • Test Make Up • Friday (Last Day)

  4. Grade Homework • Unit 8 Worksheet 1

  5. Mole Conversions • 3 Step Process (Refer to chart) • How many atoms are in 2L of Oxygen gas? • Where do you begin? (the given: Volume) • What do you need in the end? (atoms) • How many conversion factors do we need? • Volume to moles • Moles to atoms 2 L x 1 mole x 6.02x1023 atoms of O2=5.38 x 102 22.4 L 1 mole atoms

  6. Practice • How many molecules are there in 98 g of Potassium hydroxide?

  7. How many grams are there in 4 x 1024 molecules of Iron (II) chloride?

  8. How many molecules are there in 15 L of Cl2 gas?

  9. What is the volume of gas (in L) in 5 x 1025 molecules of O2?

  10. Unit 8 Quiz #1 • How many grams are there in 4.5 moles of sodium chloride? • How many moles are there in 3.25 x 1025 atoms of silver? • How many molecules are there in 96 g of carbon dioxide? • How many grams are there in 4 x 1024 molecules of Iron (II) chloride?

  11. Closure • Reflect learning on Mole Calculations

More Related