Magnesium and dilute hydrochloric acid react to produce magnesium chloride solution and hydrogen: #Mg(s) + 2HCl(aq) -> MgCl_2(aq) + H_2(g)# What are two observations that could be made during the reaction?

1 Answer
anor277
Apr 3, 2017

Disintergration of the magnesium metal, and effervescence as a gas is evolved.

Explanation:

There would also be some heat evolved as the metal reacted.

But this is no substitute for doing the experiment yourself (safely of course, while you wear safety specs to protect your mince pies, and a lab coat to protect your clothing), and closely observing the reaction.

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