The Student Room Group

Acid + Metal reaction

Can someone please confirm that when the metal is in excess, the rate is determined by the concentration of acid.

And more specifically, is it not the concentration of H+ ions?

If so, can it be asserted that a strong acid will react quicker than a weak acid due to the level of dissociation AT equal concentrations of acid, i.e 0.1M of each.
Just how many moore threads are you going to start on the same topic?
Yea sorry - can you answer the question though
Reply 3
JMoore
Can someone please confirm that when the metal is in excess, the rate is determined by the concentration of acid.

And more specifically, is it not the concentration of H+ ions?

If so, can it be asserted that a strong acid will react quicker than a weak acid due to the level of dissociation AT equal concentrations of acid, i.e 0.1M of each.


I'm not sure about your first question but about the second part- yes. A strong acid is an acid that will almost dissocitate fully in solution and therefore has a higher amount of H+ ions than a weak acid like ethanoic acid. So more H+ ---> more frequent collisions blah blah.

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