Weigh a clean, dry crucible and lid, and record under
1.
METHOD
write in past Tense.
Weigh a clean, dry crucible and lid, and record under
1.
result.
2.
3.
Add about lg of magnesium sulphate crystals and reweigh.
Heat the crucible, gently at
first, ther. strongly for 10
minutes. Cool in a dessicator
(if available) and reweigh.
Porcelain crucible
4.
bleat for a further 5 minutes
cool and reweigh.
pipe clay
triangle
Prem rering
5.
Repeat heating, cooling and
reweighing until a constant
mass 0.059 is achieved.
Rong started
Burner​
Answers: 2
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METHOD
write in past Tense.
Weigh a clean, dry crucible and lid, and record under
1.
Weigh a clean, dry crucible and lid, and record under
1.
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