91热爆

Observations:

Results table

ReadingMass / g
Mass of empty crucible
Mass of empty crucible, and crystals
Mass after 1st heating
Mass after 2nd heating
Mass after 3rd heating
Mass after 4th heating
ReadingMass of empty crucible
Mass / g
ReadingMass of empty crucible, and crystals
Mass / g
ReadingMass after 1st heating
Mass / g
ReadingMass after 2nd heating
Mass / g
ReadingMass after 3rd heating
Mass / g
ReadingMass after 4th heating
Mass / g

Analysis of data

Mass of hydrated crystals __________________________g

Mass of anhydrous crystals __________________________g

Mass of water of crystallisation __________________________g