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Carbonates react with acids to produce salt + water + carbon dioxide.

Hydrochloric acid produces chloride salts.

In this case:

Magnesium carbonate + hydrochloric acid --> magnesium chloride + water + carbon dioxide

As a symbol equation:

MgCO3 + HCl --> MgCl2 + H2O + CO2

Balancing (ensure the same number of atoms are on both sides of the arrow):

MgCO3 + 2HCl --> MgCl2 + H2O + CO2

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14y ago
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13y ago

MgCO3(s) + 2HCl(aq) --> MgCl2(s) + H2O(l) + CO2(g)

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11y ago

metal + acid ---> salt + hydrogen gas

Magnesium is a metal. Therefore,

Magnesium + acid ---> a magnesium salt + hydrogen gas

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13y ago

magnesium chloride

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3y ago

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Q: What is formed when you react HCl and MgCO3?
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Related questions

How can I tell if MgCO3 is going to react with HCl?

You just have to remember that it does. All carbonates react with acids.


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The reaction is:H2SO4 + MgCO3 = H2O + CO2 + MgSO4


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Yes, aluminum chloride and hydrogen gas formed


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NaCl and HCl doesn't react.


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when the penny is reacted with HCl, there must be somesort of area where the copper on the outside of the penny is removed so that the HCl can react with the zinc inside because HCl does not react with copper. Once the HCl reacts with the Zn inside, it will dissapear and therefore become less dense then the ZnCl2 that is formed which causes the penny to float


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Carbonate minerals do react with HCl. Calcite and dolomite for instance.


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