[apricot10101]

How can I determine the necessary amount of Hydrochloric Acid to dissolve a specfic amount of Iron.  I am dissolving steel wool in Muriatic Acid (approx. 15%).  If possible, I would like determine approximately the amount of HCL necessary, at room temp.  Thanks.

[Borek]

You have to show your attempts at solving the question to receive help. This is a forum policy.

This is a basic stoichiometry - you start with a reaction equation. Plenty of tutorials on the web. See for example

http://www.chembuddy.com/?left=balancing-stoichiometry&right=toc