why is it a good idea to include a cotton wool bung in the neck of the flask when magnesium reacts with hydrochloric acid experiment?
2017-01-26 2:57 am
when magnesium reacts with hydrochloric acid it is a vigorous, fizzing, spitting reaction. The decrease in the reading on the balance was very small. why is it a good idea to include a cotton wool bung in the neck of the flask when carrying out this experiment?
回答 (1)
2017-01-26 3:46 am
To prevent any of the solution from splattering out of the open flask.
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