Gemechis asrat

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The following answers were posted by visitors named Gemechis asrat.

5.0 WHAT of HCl. I assume 5.0 grams. Zn + 2HCl ==> ZnCl2 + H2 mols Zn = 6.5/65.4= 0.099 mols HCl = 5.0/36.5 = 0.188 mols H2 produced with Zn and excess HCl = 0.099 mol Zn x (1 mol H2/1 mol Zn) = 0.099 mol H2. mols HCl produced with HCl and excess Zn = 0.1...