Homework Help: Ap Chem

Posted by Chasm on Monday, September 10, 2012 at 1:21pm.

how many milliliters of a 0.9 molar HCl solution are needed to react completely with 12 grams of zinc according to the following equation 2HCl+ Zn yields ZnCl2+ H2

Ap Chem - DrBob222, Monday, September 10, 2012 at 2:51pm
Convert 12 g Zn to mols.
Using the coefficients in the balanced equation, convert mols Zn to mols HCl.
Then use M = mols/L to convert mols HCl to L, then to mL.

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