CP13 – Lab Prep

Can You identify all of the equipment?

Date

• Tuesday, February 6th

Homework Review

• Ch. 7 PAIRED (17, 18, 19)
• share work on the board

New Idea – Hydrates

• Some compounds have water attached
• example: CuSO₄ * 5H₂O
• naming: copper (II) sulfate pentahydrate
• fixed ratio of water to salt (mole ratio)

Lab – Determine this Ratio

• record masses before and after heating
• compare moles of salt without water to the water
• what do I determine?

Lab Set-Up

• ring stand
• iron ring
• clay triangle
• crucible tongs
• spark igniter
• Bunsen burner
• wire gauze
• crucible

Homework

• Lab Prep [Shared]
• NOTE: need to start lab ASAP next class
• NOTE: lab day dress code