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Posted by on Friday, July 25, 2008 at 7:24pm.

please help me with this chemistry problem.


1) Write out a balanced chemical reaction equation for the reaction of magnesium with hydrochloric acid,

and then

What is the Theoretical Yield after balancing the chemical equation?

  • Chem 3A - , Friday, July 25, 2008 at 7:54pm

    Metal + acid ---> metal salt + hydrogen gas
    Mg + HCl --> MgCl2 + H2

    If you place the correct coefficient in front of HCl, you will have the chemical equation balanced for Cl and H (which it is not now).

  • Chem 3A - , Friday, July 25, 2008 at 8:00pm

    The balanced chemical equation assumes a theoretical yield of 100%. To calculate the actual yield we must know the amounts of reactants (Mg and HCl) actually used.

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