What are the chemical products for magnesium + dilute hydrochloric acid ?

1 Answer
Nam D.
Mar 2, 2018

Magnesium chloride and hydrogen gas.

Explanation:

A general word equation for an acid and a metal reacting together is

#"acid" \ + \ "metal"->"salt" \ + \ "hydrogen"#

So, here, we have magnesium reacting with hydrochloric acid.

The balanced chemical reaction for this equation is:

#Mg(s)+2HCl(aq)->MgCl_2(aq)+H_2(g)#

So, magnesium chloride #(MgCl_2)# and hydrogen gas #(H_2)# is made.

To test for the presence of hydrogen gas, light a splint and put it near the mouth of the test tube. If it makes a squeaky pop, then hydrogen gas is present and the test is positive.

You might want to watch a video about the test:

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