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A sample of magnesium metal reacts with hydrochloric acid solution to produce magnsesium chloride solution and hydrogen gas.

a)write a balanced chemical equation for this reaction and include phase designations.

The phase designations would be s for solid, aq for aqueous, and g for gas.

How do you do this?

Mg(s) +HCL(aq) --> MgCl(aq) + H2(g)

Would MgCl be aqueous?

  • Chemistry -

    you have an incorrect formula for magnesium chloride. Yes, it is in solution, it is moderately soluble. (53g per 100 g water).

  • Chemistry -


  • Chemistry -

    I have to point out, in an aqueous solution, if the Mg is in excess, you have this reaction:

    Mg(s)+ H2O(l)>>Mg(OH)2(s) + H2
    Magnesium hydroxide precipates, as it has very low solubility in water.

  • Chemistry -

    Yes, MgCl2

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