Chemistry 511 Wednesday, February 29

• Notes/discussion “Percentage Composition” (handout with examples)
• Complete Questions #3,7,8,10,16,17,19 and 20 on sheet “Percentage Composition Practice Problems”
• Assignment “Mole/Percentage Composition Assignment” due on Friday, March 2.
• Introduced lab “Activity Series”. Lab should be written up to the end of the procedure for Friday, March 2.

Chemistry 521 Wednesday, February 29

• Reviewed the Mole and Molar Mass
• Corrected the molar masses of copper (I) oxide, ammonium sulfide, iron (II) hydroxide, aluminum sulfate, tin (II) chloride and ammonium permanganate.
• Completed, and corrected, sheet D8 “The Mole Molar Mass”
• Notes/Discussion “Converting from grams of a substance to moles and from moles of a substance to grams”
• Complete Questions #1-18 (odd only) and Questions #19-22 on sheet “Worksheet:Converting moles of a substance to grams (mass)”

Chemistry 511 Monday, February 27

• Students completed lab “Percent Composition”
• Lab is due tomorrow.

Chemistry 521 Monday February 27

• Reviewed Section 2.1 Isotopes and Average Atomic Mass
• Corrected Questions #1-4 page 45 and #1-5a page 46.
• Complete Questions #11 and #12 page 75
• Notes/Discussion “The Mole and Molar  Mass” (handout)
• Notes/Discussion “Section 2.3 Molar Mass” (examples)
• Calculate the molar mass of each of the following compounds: copper (I) oxide, ammonium sulfide, iron (II) hydroxide, aluminum sulfate, tin (II) chloride, and ammonium permanganate.

Chemistry 511 Friday, February 24

• Reviewed the Mole and Molar Mass and converting from mol to grams and grams to mol.
• Corrected #1-18 (even only) AND #19-22 (all) on sheet “Worksheet:Converting Moles of a Substance to Mass (grams)”
• Complete Lab “The Mole Lab” (completed and passed in)
• Notes/Discussion “Percentage Composition”

Chemistry 521 Friday, February 24

• “Chemical Reactions” Lab due today.
• Notes/Discussion “Section 2.1 Isotopes and Average Atomic Mass”
• Complete Practice Problems #1-4 page 45 and Questions #1-5a Section Review Page 46.
• Returned, and discussed, Test #1.

Chemistry 511 Thursday, February 23

• Returned, and discussed, Test #1
• Reviewed the Mole and Molar Mass
• Corrected the molar mass of copper (I) oxide, ammonium sulfide, iron (II) hydroxide, aluminum sulfate, tin (II) chloride and ammonium permanganate
• Completed, and corrected, Sheet D8 The Mole Molar Mass.
• Notes/Discussion “Converting from mol to grams and grams to mol”
• Complete #1-18 (even only) AND #19-22 (all) on sheet “Worksheet:Converting Moles of a Substance to Mass (grams)”

Chemistry 521 Thursday, February 23

• Students completed lab “Chemical Reactions”
• Lab is due tomorrow (Friday, February 24)

Chemistry 511 Wednesday, February 22

• Reviewed Average Atomic Mass (Questions on SmartBoard)
• Corrected Questions #7-13 “Section 2.1 Isotopes and Average Atomic Mass”
• Notes/Discussion “The Mole” and “The Mole, Molar Mass and Mass” (handout)
• Notes/Discussion “Section 2.3 Molar Mass”
• Complete Molar Mass of 5 compounds given in class.

Chemistry 521 Wednesday, February 22

• Students completed Test #1