gravimetric analysis

Question 1

process of gravimetric analysis

Answer 1

• add excess of one solution filter,
• dry by heating
• cool in desicator
• weigh

Question 2

what does ‘weigh accurately about 5g’ mean

Answer 2

5.01g but know the exact weight

Question 3

‘heating to constant mass’

Answer 3

• heat
• cool in desicator
• weigh on a cycle until mass does not change

Question 4

‘desicator’

Answer 4

allows hot crucibles to cool without absorbing water. (does not dry the compound)

Question 5

look at practice q from notes and try a practice one

Answer 5

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