Respuesta :
The coefficient needed to balance the chemical reaction is a number and it is 2.
Balanced chemical reaction
The balanced chemical reaction is determined as follows;
CaCl2 + H2CO3 → CaCO3 + Hcl
Coefficient needed to balance the chemical reaction
The coefficient needed to balance the chemical reaction is a number and obtained as follows;
CaCl2 + H2CO3 → CaCO3 + 2Hcl
The coefficient is 2
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