Practical 12 - (random one in a practise question) Flashcards
1
Q
How would we obtain the maximum amount of magnesium carbonate from a known mass of magnesium?
A
Addition of acid to form a soluble salt
Excess acid to ensure maximum amount of magnesium sat
Addition of soluble carbonate
Excess to ensure all magnesium ions precipitates
Filter and dry precipitate
2
Q
Why do we add acid to the magnesium?
A
To form a soluble salt
3
Q
Why do we add excess acid?
A
To ensure maximum amount of magnesium salt
4
Q
What type of carbonate do we add to form magnesium carbonate?
A
Soluble
5
Q
Why do we add an excess of the soluble carbonate?
A
To ensure all magnesium ions precipitates
6
Q
How do we treat the precipitate?
A
Filter and dry
