Upvoted by , Degree level applied chemistry + 20yr experience in corrosion prevention and water treatment · 7y ·
This is an acid base reaction that results in the equation
3CaCO3 + 2C6H8O7 → Ca3(C6H5O7)2 + 6H+ + 3 CO3-
The hydrogen will find the carbonate and create carbonic acid, which is so weak it dissociated to CO2 and H2O
H2CO3 → CO2 + H2O
So yes, it's an acid base reaction, and yes there are 2 reactions occurring here
Fully balanced equation
3CaCO3 + 2H3C6H5O7 → Ca3(C6H5O7)2 + 3H2O + 3 CO2
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