Preparing Insoluble Salts Flashcards
0
Q
Precipitation reaction - method:
A
Stage 1: add 1 spatula soluble salt to test tube and fill with distilled water. Shake thoroughly. Then do the same with other soluble salt.
Stage 2: filter paper into filter tunnel, and stick the funnel into a conical flask. Pour contents into middle of filter paper.
Stage 3: rinse contents of filter paper with distilled water to remove all soluble salt.Then just scrape insoluble salt onto fresh filter paper and leave to dry
1
Q
What reaction can you use to make a pure, dry sample of an insoluble salt:
A
A precipitation reaction
2
Q
What do you need in a precipitation reaction:
A
The right two soluble salts, that react and give your insoluble salt
