Quantitative Analysis of Salts (VCE SSCE Chemistry): Flashcards
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Water of hydration
Water of hydration
Water molecules trapped in salt crystal structure
Hydrated salt
Hydrated salt
Salt crystal containing water molecules in its structure
Anhydrous salt
Anhydrous salt
Salt without water molecules ('an-' means 'without')
Dehydration (in salts)
Dehydration (in salts)
Heating salt to release water molecules as steam
Colour of hydrated
Colour of hydrated
Brilliant blue
Colour of anhydrous
Colour of anhydrous
White
Why salts change colour when dehydrated
Why salts change colour when dehydrated
Changes in electron energy levels affect light absorption
Formula: mass to moles
Formula: mass to moles
Gravimetric analysis
Gravimetric analysis
Measures precipitate mass to find ion quantity via stoichiometry
Why use excess precipitating solution?
Why use excess precipitating solution?
Ensures all of the target ion precipitates
