Homework Help: chemistry

Posted by Mimi on Thursday, August 9, 2012 at 10:42pm.

Zinc reacts with hydrochloric acid according to the reaction equation Zn(s)+2HCL(aq)=>ZnCl2(aq)+H2(g). How many mm of 1.50M HCL(aq) are required to react with 9.05 g of ZN?

chemistry - DrBob222, Friday, August 10, 2012 at 12:59am
Zn + 2HCl ==> ZnCl2 + H2

mols Zn = grams/atomic mass Zn
Convert mols Zn to mols HCl using the coefficients in the balanced equation.
Then convert mols HCl to volume using M = mols/L. You know mols and M, solv for L and convert to mL.
By the way, that is mL and not mm.
chemistry - Anonymous, Friday, March 15, 2013 at 11:52pm
92.28

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