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# How does the reaction of Sodium hydrogen carbonate and hydrochloric acid support the theory of conservation of mass?

Last updated date: 26th Feb 2024
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Hint: The Law of Conservation of Mass is defined and explained using examples of reacting mass calculations using the law are fully explained with worked out examples using the balanced symbol equation. The process involves reacting masses deduced from the balanced symbol equation.

Sodium bicarbonate $NaHC{O_3}$ and hydrochloric acid $HCl$ react to form sodium chloride, water, and carbon dioxide-an unscented gas-by the condition
$NaHC{O_3}$ $\left( {aq} \right)$ $+$ $HCl$ $\left( {aq} \right)$ -----> $Nacl$ $+$ ${H_2}O$ $\left( l \right)$$\; +$ $C{O_2}\left( g \right)$
$m{\text{ }}\left( {{\text{ }}reactants{\text{ }}} \right)$ =$m\left( {products} \right)$
=$m\left( {Aqueous{\text{ }}left - over} \right)$ + $m\left( {C{O_2}} \right)$
$m{\text{ }}\left( {{\text{ }}reactants{\text{ }}} \right)$ $m{\text{ }}\left( {Aqueous{\text{ }}left - over{\text{ }}} \right)$