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​

i cant die now

Explanation:

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

so here we go

atomic mass

239 + 1 = y + 134 + 3 combine like terms

240 = y + 137             subtract 137 from both terms

240 - 137 = y

103 = y

atomic number

94 = z +54 + 0

94 = z + 54               subtract 54 from both sides.

40 = z

answer

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