1 Answer

Andrew Shelansky · Answer 1 · 2021-05-10T07:28:42+0000

Answer:
$Na_2CO_3+2HCl\rightarrow 2NaCl+H_2O+CO_2$

Step-by-step explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

The balanced chemical equation will be:

$1Na_2CO_3+2HCl\rightarrow 2NaCl+H_2O+1CO_2$

Thus the numbers that go in the blanks are 1, 2, 2, and 1 respectively for
Na_2CO_3 ,
HCl ,
NaCl and
CO_2 respectively.

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