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chemistry

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Zinc metal reacts with hydrochloric acid (HCl) according to the equation:
Zn(s)+HCl(aq)=ZnCl2(aq)=H2(g)
How many grams of H2 are produced if 100 grams of zinc reacts?

  • chemistry -

    1. You have the balanced equation.
    2. Convert 100 g Zn to moles. moles = grams/molar mass.
    3. Using the coefficients in the balanced equation, convert moles Zn to moles H2.
    4. Now convert moles H2 to grams. g = moles x molar mass.

  • chemistry -

    1105.2g

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