What coefficient is needed to balance the reaction
CaCl2 + H2CO3 → CaCO3 + HCI?

CaCl2 + H2CO3 -> CaCO3 + 2HCl

Explanation:

Balancing this equation was a relatively simple example. Making sure to have all parts on the left equal to the ones on the right is the most important part.

Ca 1 = 1

Cl 2 = 2

H 2 = 2

C 1 = 1

O 3 = 3

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