CP21 – Solutions

Date

• Tuesday, March 7th

Homework Recap

• Limiting Reactants
• Using “the table”
• Predicting products
• Determining excess

New Material – Solutions

• Video 0 [LINK]
• Video 1 [LINK]
• Video 2 [LINK]
• Video 3 [LINK]
• Video 4 [LINK]
• Video 5 [LINK]
• Video 6 [LINK] – advanced

Also Try This

• Download [LINK] – you need permission to run on laptop

Questions

• What happens when ionic substances are “dissolved” in water?
• What is the best way to depict what happens to the ions using chemical symbols?
• How is it possible that covalent compounds dissolve in water?
• What determines whether a covalent substance will dissolve in water?
• What happens to the solubility of a substance if water is heated?

Homework (collected Class 23)

• Ch. 14 (41)
• Why is naphthalene (C₁₀H₈) more soluble than CsF in benzene (C₆H₆)?
• Explain why ethanol (C₂H₅0H) is not soluble in cyclohexane (C₆H₁₂).
• Predict the solubility of each in water: NaOH, O₂, LiCI, Br₂, CH₃OH, C₆H₆

Practice for Quiz (Class 22)

• Ch. 9 [41 (abde), 46, 48]