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what will be the internal pressure causes by hydrogen gas when 5.00 g of zinc is dissolved in 50 g of concentrated hydrochloric acid if the volume of the container is 250 mL and the container is allowed to cool 20 degrees celcius

  • chemistry -

    Do you know that Zn is the limiting regent. mols Zn = 5/atomic mass Zn = estimated 0.07 mols Zn produces estimated 0.07 mols H2.
    Then use PV = nRT and solve for P.

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