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March 25, 2017

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Zinc metal reacts with hydrochloric acid according to the following equation: Zn + 2HCl yields ZnCl2 + H2. How many grams of hydrogen gas can be obtained if 50.0 g of zinc react completely?

  • Chemistry - ,

    mols Zn = grams/molar mass
    Convert mols Zn to mols H2 susing the coefficients in the balanced equation.
    Now convert mols H2 to g. g = mols x molar mass.

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