Posted by Mattie on Tuesday, October 19, 2010 at 7:51pm.
Mg + 2HCl ==> H2 + MgCl2
Convert 5.00 g Mg to moles. moles = grams/molar mass
Using the coefficients in the balanced equation, convert moles Mg to moles HCl.
You know moles HCl = M x L.
You moles and M, solve for L.
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