Chemistry Honors – Classes 26 & 27

Dates

• Monday, October 20th – Wednesday, October 22nd
• Note: Classes meeting on Monday October 20th Canceled (Sophomore retreat / Service Day)

Mole Day

• Turn in mole day project
• vote on the mole projects for all of the classes

Warm Up

• C₆H₅CH₃ + KMnO₄ + H₂SO₄ –> C₆H₅COOH + K₂SO₄ + MnSO₄ + H₂O
• Determine the mass of manganous sulfate produced (ideally) from 1234 grams of potassium permanganate
• Helper web site? (LINK)

New Material – Percent Composition

• Assume 1.00 mole
• Determine the percent by mass of each element in a compound
• EX: sodium hydroxide, aluminum phosphate
• Practice