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

Answer 1

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.

Answer 2

294118