Which equation for the reaction between sodium carbonate and dilute hydrochloric acid is correct?
1 )
$N{a_2}C{O_3}\left( s \right) + HCl\left( {aq} \right) \to NaCl\left( {aq} \right) + C{O_2}\left( g \right) + {H_2}O\left( I \right){\text{ }}$
2 )
$N{a_2}C{O_3}\left( s \right) + HCl\left( {aq} \right) \to N{a_2}Cl\left( {aq} \right) + C{O_2}\left( g \right) + {H_2}O\left( I \right)$
3 )
$N{a_2}C{O_3}\left( s \right) + 2HCl\left( {aq} \right) \to NaCl\left( {aq} \right) + C{O_2}\left( g \right) + {H_2}O\left( I \right)$
$N{a_2}C{O_3}\left( s \right) + 2HCl\left( {aq} \right) \to 2NaCl\left( {aq} \right) + C{O_2}\left( g \right) + {H_2}O\left( I \right)$
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