Double salts practical Watch

Sine
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#1
Report Thread starter 9 years ago
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Anyone else done it??

The one where you have to make ammonium iron(ii) sulphate from iron fillings,sulfuric acid and dilute ammonia.

How would you answer this question :

1)How did you make sure that the sulphuric acid was in excess?

Is this to do with the fact that you had to use litmus paper and keep adding sulphuric acid until the red litmus paper went blue??
:confused: :confused:
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Sine
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Report Thread starter 9 years ago
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Anyone have any idea about what I am talking about lol?
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