Salt Preperation Through Indicator Method Flashcards
1
Q
Step 1
A
Measure 25cm3 of named acid/alkali using a pipette into a conical flask
2
Q
Step 2
A
Add indicator
3
Q
Step 3
A
Fill burette with other named solution
4
Q
Step 4
A
Add solution from burette into conical flask while swirling until permanent colour change
5
Q
Step 5
A
- add charcoal that removes indicator then filter off
- Record experiment without indicator
6
Q
Step 6
A
Evaporate solution till 1/3 of volume remains
7
Q
Step 7
A
Leave to cool/crystallise
8
Q
Step 8
A
Filter and wash with small amount of dH2O
9
Q
Step 9
A
Dry in low temp oven or between two pieces of filter paper
